Write the decimal as a fraction in lowest terms.7.20

A.
B.
C.
D.


Answer: B

Mathematics

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xy + 10x - 4y - 40

A. (y - 10)(x + 4) B. (x - 10)(y + 4) C. (y + 10)(x - 4) D. (x + 10)(y - 4)

Mathematics

Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.5(5x + 8)

A. 65x B. 25x + 8 C. 10x + 13 D. 25x + 40

Mathematics

Solve the problem.The motion of a spring-mass system is described by the equation  where y is the distance in feet from the equilibrium position and t is time in seconds. If the weight is 18 feet from the ceiling in a state of equilibrium, find the closest the weight will ever be to the ceiling.

A. 13 ft B. 18 ft C. 5 ft D. 23 ft

Mathematics

Find the area or perimeter of the figure as indicated. Express the answer in terms of ? and then round to the nearest tenth.Find the area.

A. 88 + 8? ? 113.1 m2 B. 88 + 64? ? 289.1 m2 C. 112 + 8? ? 137.1 m2 D. 88 + 16? ? 138.3 m2

Mathematics