Mathematics

5 May, 18:07

1. Solve for y.

-5y - 9 = - (y-1)

A. - 1/2

B. - 2 1/2

C. - 2

D. - 2/5

2. Use an algebraic equation to solve the problem.

A rectangle is 3 times as long as it is wide. The perimeter is 60 cm. Find the dimensions of the rectangle. Round to the nearest tenth of necessary.

A. 7.5 cm by 22.5 cm

B. 7.5 cm by 52.5 cm

C. 20 cm by 60 cm

D. 15 cm by 22.5 cm

3. Is the following always, sometimes, or never true?

14 + 3x - 7 = 7x + 7 - 4x

A. Always

B. Sometimes

C. Never

+3

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