Simplify the expression. If any variables are present, assume that they are positive. ?

A. 9x
B. 20x2
C. 20
D. -2x

Answer: B

Mathematics

Find the greatest common factor of the numbers.6, 14, 16

A. 2 B. 4 C. 1 D. 6

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Mathematics

Find an equivalent equation in rectangular coordinates.r - 6 sin ? = 4 cos ?

A. x² + y² + 6y = 4x
B. x² + y² - 6y = 4x
C. - 6y = 4x
D. x² + y² = 0

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Mathematics

Determine the quotient.132 ÷ 1

A. Undefined B. 1 C. 132 D. 0

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Mathematics

Write the expression in lowest terms.

A.
B. -1
C. 1
D. -

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Mathematics