Remove parentheses and simplify.10r + 10 - 2(7r + 3)

A. -4r + 4
B. 10r + 3
C. -4r + 1
D. -20r

Answer: A

Mathematics

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Use the information below to determine the indicated set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}A ? (B ? C)

A. {6, 7, 8, 9, 10, 12} B. {6, 8, 9} C. {6, 8, 9, 10, 11, 12, 13} D. {5, 6, 7, 9, 10}

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Mathematics

Solve.5x - (4x - 1) = 2

A. 1
B. - 
C. - 1
D.  

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Solve.The area of a rectangular rug is 140 square feet and its perimeter is 48 feet. Find the dimensions of the rug.

A. 11 yd by 14 yd B. 11 yd by 13 yd C. 10 yd by 14 yd D. 10 yd by 13 yd

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Mathematics

Find the quotient and simplify. ÷ 

A.
B. x8(x + 2)
C. 5x7(x + 2)
D. x7(x + 2)

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Mathematics