Simplify by factoring. Assume that any variable in a radicand represents a positive real number.

A. y22
B. y3
C. y10
D. y22

Answer: B

Mathematics

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For the given amounts A and B, find the requested percent of change. Round to the nearest whole percent if necessary.A = 400, B = 180Find the percent change if A changes to B.

A. -122.2% B. -45% C. -55% D. -60%

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Mathematics

Simplify.

A.
B.
C.
D.

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Mathematics

Find the vertex, focus, and directrix of the parabola with the given equation.(y - 2)2 = 8(x - 3)

A. vertex: (2, 3)   focus: (4, 3)   directrix: x = 0 B. vertex: (-3, -2)   focus: (-1, -2)   directrix: x = -5 C. vertex: (3, 2)   focus: (5, 2)   directrix: x = 1 D. vertex: (3, 2)   focus: (1, 2)   directrix: x = 5

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Mathematics

Solve. Give an exact answer unless indicated otherwise.6 sin-1 x = ?

A. x = -5 + 3
B. x = 2
C. x = ±
D. x = 

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Mathematics