Use a calculator to give the real number value.cos-1(0.8910)

A. 0.50634920
B. 0.47125327
C. 1.09999999
D. 0.43650793

Answer: B

Mathematics

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Factor the trinomial:

a.
b.
c.
d.

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Mathematics

Solve by using the quadratic formula.x2 - 24 = 0

A. {576}
B. {±6}
C. {±12}
D. {±2}

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Mathematics

Graph the ellipse.16x2 + 9y2 = 144

A.

B.

C.

D.

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Mathematics

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."4x3y3 - 4x3y2 - 80x3y

A. 4x3y(y - 4)(y + 5) B. x3(4y2 + 16y)(y - 5) C. 4x3y(y + 4)(y - 5) D. prime

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Mathematics