Simplify the expression.

A.
B.
C.
D.


Answer: C

Mathematics

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The following expressions represent denominators of rational expressions. Find their LCD.r2 + 2r, 9r + 18, and r2 + 4r + 4

A. 9r(r + 2)2 B. r(r + 2)2 C. 9(r + 2) D. 9(r + 2)2

Mathematics

Simplify the expression.(2 - 5)2 ? (8 - 2)3 

A. 1,944 B. -1,944 C. 324 D. -206

Mathematics

Evaluate the expression for the given values. If necessary, round to the nearest tenth.6x + 8y + 4; x = 0, y = 8

A. 68 B. 52 C. 74 D. 12

Mathematics

Determine whether the given expression is a polynomial. If it is, write it in standard form.8x + 10 + 8x2

A. Yes; 8x2 + 8x + 10 B. No

Mathematics