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ff Evaluate  8x  2y  +  5y  2x  if x = 7.0 and y =  3.0. ff

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ff Simplify.  3a  9b  +  2b + 6a   8.4 if a =  5 and b = 3 ff

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ff If a = 3, b = 2.5, c =  3, evaluate 5  2a + 4b   3  2b  6c  +  3a + 2c . ff

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ff The cost of n pens is given by the expression $16n. Find the cost of 4 pens. ff

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ff Evaluate the expression 53  y + 3, for y = 6. ff

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ff Find the value of the expression  119x, for x = 17. ff

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ff A truck travels at a constant speed of 61 miles per hour. Find the distance traveled by the truck in 2 hours. ff

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ff Which of these would you get by evaluating the expression 31  5y, for y = 4? ff

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ff Evaluate the expression y + (z5), for y = 15 and z = 15. ff

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ff Evaluate the expression 2ab  c, for a = 5, b = 4 and c = 2. ff

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ff Evaluate the expression 2abc3, for a = 9, b = 2 and c = 5. ff

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ff Evaluate the expression a(b + 5)  c, for a = 4, b = 3, and c = 3. ff

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ff Joe walks at a speed of 7 miles per hour. Which of the following expressions describes the distance covered by him in h hours? ff

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ff Frank has 10 shirts now. Which expression describes the number of shirts Frank has if he buys y more shirts? ff

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ff Which of the following pair of operations is included in the variable expression for the statement? "nine times a number decreased by nine" ff

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ff Andy has a collection of audio DVDs. He owns 33 DVDs at present. Which of the following expressions describes the total number of DVDs owned by Andy, if they are increased by a number z? ff

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ff A number is 3 times the number (3x + 4). What is the number? ff

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ff Which of the following is the correct choice for the phrase, "y is divided by a number 34"? ff

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ff Identify the variable expression for the word phrase, "The difference between k and 12 is equal to 4". ff

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ff Identify an expression for the distance traveled by a cyclist in h hours at a speed of 17 km/h. Find the distance he travels in 4 hours. ff

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ff A train is moving at a speed of S_{2} = S_{1} + 11t km/h, where S_{1} is the initial speed, S_{2} is the final speed of the train, and t is the time in hours. Find S_{2} after 4 hours, if S_{1} is 70 km/h. ff

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ff The formula for converting temperature in Fahrenheit to Celsius is C = 59[F  32]. If F = 68^{o} F, then find C(°C). ff

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ff Find the area of a rectangle that is 6 cm long and 4 cm wide. ff

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ff Find the area of a square, if each side of the square measures 0.3 cm. ff

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ff Find the perimeter of a square having sides of length 2.5 cm each. ff

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ff Find the area of a triangle of height 3 feet and base measuring 8 feet. ff

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ff Evaluate 85x + y + z for x = 4, y = 6 and z = 7. ff

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ff The formula S = n (n + 1)2 is used to find the sum of the first n natural numbers. Find the sum of the first 12 natural numbers. ff

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ff The trapezoid PQRS is formed by combining the two triangles ABC and DEF. What is the perimeter of trapezoid PQRS? ff

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ff The cost of n pens is given by the expression $6n. Find the cost of 2 pens. ff

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ff Find the area of a triangle of height 6 feet and base measuring 16 feet. ff

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ff Find the value of the expression  144x, for x = 18. ff

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ff A truck travels at a constant speed of 95 miles per hour. Find the distance traveled by the truck in 8 hours. ff

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ff Which of these would you get by evaluating the expression 17  3y, for y = 2? ff

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ff Evaluate the expression 94  y + 9, for y = 2. ff

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ff Evaluate the expression y + (z4), for y = 30 and z = 12. ff

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ff Which of the following pair of operations is included in the variable expression for the statement? "eleven times a number decreased by eleven" ff

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ff The formula for converting temperature in Fahrenheit to Celsius is C = 59[F  32]. If F = 59^{o} F, then find C(°C). ff

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ff Find the area of a rectangle that is 5 cm long and 2 cm wide. ff

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ff Find the area of a square, if each side of the square measures 0.4 cm. ff

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ff Evaluate the expression 8ab  c, for a = 5, b = 2 and c = 2. ff

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ff Evaluate the expression 2abc3, for a = 6, b = 2 and c = 5. ff

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ff Evaluate the expression a(b + 5)  c, for a = 5, b = 4, and c = 5. ff

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ff Mike walks at a speed of 7 miles per hour. Which of the following expressions describes the distance covered by him in h hours? ff

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ff Sunny has 7 shirts now. Which expression describes the number of shirts Sunny has if he buys y more shirts? ff

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ff Andy has a collection of video tapes. He owns 36 tapes at present. Which of the following expressions describes the total number of tapes owned by Andy, if they are increased by a number z? ff

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ff A number is 4 times the number (3x + 4). What is the number? ff

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ff Which of the following is the correct choice for the phrase, "y is divided by a number 10"? ff

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ff Identify the variable expression for the word phrase, "The difference between k and 23 is equal to 3". ff

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ff Find the perimeter of a square having sides of length 5.5 cm each. ff

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ff Identify an expression for the distance traveled by a cyclist in h hours at a speed of 20 km/h. Find the distance he travels in 4 hours. ff

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ff A train is moving at a speed of S_{2} = S_{1} + 29t km/h, where S_{1} is the initial speed, S_{2} is the final speed of the train, and t is the time in hours. Find S_{2} after 3 hours, if S_{1} is 60 km/h. ff

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ff Each angle of a regular polygon can be obtained using the expression 180(n  2)n, where n is the number of sides. Find the measure of each angle in a regular octagon. ff

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ff Evaluate 153x + y + z for x = 4, y = 6 and z = 7. ff

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ff The formula S = n (n + 1)2 is used to find the sum of the first n natural numbers. Find the sum of the first 14 natural numbers. ff

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ff In the figure, ΔACE is formed by blue (b), green (g), pink (p) and yellow (y) colored isosceles triangles. What is the perimeter of ΔACE? ff

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