Perform the indicated operation.(3n5 + 15n4 + 6) - (-14n4 + 9n5 - 13)

A. -6n5 + 29n4 - 7
B. -6n5 + 29n4 + 19
C. -6n5 + 24n4 - 7
D. 42n9


Answer: B

Mathematics

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Find the product.(0.5 + 9a)(0.4 + 7a)

A. 0.2 + 7.1a + 63a2 B. 0.2 - 7.1a + 63a2 C. 0.2 + 7.1a + 0.63a2 D. 2 + 7.1a + 63a2

Mathematics

Evaluate the expression with the given replacement values.x5; x = -2

A. -10 B. 32 C. -32 D. 10

Mathematics

Approximate the expression to the nearest thousandth.

A. -0.2 B. -0.163 C. -0.315 D. -0.178

Mathematics

Approximate the numbers and place the correct symbol (< or >) between them.



A) –2.5 > 4
B) –2.5 < 4
C) –2.5 < 3.5
D) –2.5 > 3.5
E) –2.5 < –3.5

Mathematics