Simplify the expression.
?

?

A. 45
B. 5
C. 9
D. 81
E. none of these

Answer: C

Mathematics

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Following the rules for working with measurements find the lateral surface area, AL, of the rectangular prism shown in the illustration below and the total surface area of the prism AT. ? ?

A. A L = 256 m 2, A T = 512 m 2 B. A L = 256 m 2, A T = 384 m 2 C. A L = 388 m 2, A T = 256 m 2 D. A L = 388 m 2, A T = 256 m 2 E. A L = 384 m 2, A T = 256 m 2

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Solve the equation.

What will be an ideal response?

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Solve the equation. - x = 6

A. x = -7 B. x = -7, -3 C. x = -3 D. No solution

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Solve the problem.Carole's car averages 15.7 miles per gallon in city driving and 24.6 miles per gallon in highway driving. If she drove a total of 275.3 miles on 13 gallons of gas, then how many of the gallons were used for city driving?

A. 7 gallons B. 8 gallons C. 13 gallons D. 5 gallons

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Mathematics