Simplify.(x9y3)2 

A. x11y5
B. x18y6
C. x81y9
D. x9y6


Answer: B

Mathematics

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Factor. Check by multiplying.48x6y8 + 48x4y6 - 72x2y3

A. 24x2(2x4y8 + 2x2y6 - 3y3) B. 24(2x6y8 + 2x4y6 - 3x2y3) C. 24x2y3(2x4y5 + 2x2y3 - 3) D. No common factor

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Use the given sets below to determine whether the statement is true or false.A = {1, 3, 5, 7}, B = {5, 6, 7, 8}, C = {5, 8}, D = {2, 5, 8}, U = {1, 2, 3, 4, 5, 6, 7, 8}.B ? D

A. True B. False

Mathematics

Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 12.25 inches tall and stand 70 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 14 inches from the lowest point of the cable.

A. 2.16 in. B. 1.76 in. C. 7.84 in. D. 1.96 in.

Mathematics

Solve the equation.22(x - 88) = 44

A. 90 B. 44 C. 88 D. 86

Mathematics