Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-4x3y)4

A. (-4)4x7y4
B. -16x3y
C. -16x3y4
D. (-4)4x12y4


Answer: D

Mathematics

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Combine, if possible.4 + 7

A. 11
B.
C. 12
D. 10

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Find the volume.Find the volume of a sphere with radius 1.5 ft Use 3.14 for ?. Round to the nearest thousandth, if necessary.

A. 9.42 ft3 B. 14.13 ft3 C. 113.04 ft3 D. 7.948 ft3

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Evaluate the expression for the given replacement values.xy for x = -5, y = -6

A. -30 B. 30 C. 1 D. -11

Mathematics

Simplify.

A.
B.
C.
D.

Mathematics