Tell whether or not the rational expressions are equivalent.

A. Yes
B. No


Answer: A

Mathematics

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Factor by grouping.18a3 + 12a2b - 15ab2 - 10b3

A. (18a2 - 5b2)(a + 2b) B. (6a2 - 5b2)(3a + 2b) C. (6a2 + 5b2)(3a - 2b) D. (6a2 - 5b)(3a + 2b)

Mathematics

Write the number in scientific notation.57,000,000

A. 5.7 × 10-6 B. 5.7 × 10-7   C. 5.7 × 106 D. 5.7 × 107

Mathematics

Solve the inequality. Express your answer using interval notation.-36x - 30 ? -6(5x + 12)

A. (-?, 7]

B. (-?, 7)

C. [7, ?)

D. [7, ?)

Mathematics

Solve by making a u-substitution.x6 + 26x3 - 27 = 0

A. {3, -1} B. {3, 1} C. {-3, -1} D. {-3, 1}

Mathematics