Perform the indicated operation and simplify. Assume all variables in the radicand are greater thanor equal to zero.

A. 9x7y8
B. 9x3y4
C. 9y4
D. 9x3y4

Answer: B

Mathematics

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Sketch the curve.4x2 + 25y2 = 100

A.

B.

C.

D.

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Provide an appropriate response.Find the greatest common factor of 6 and 15.

A. 90 B. 1 C. 3 D. 15

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For the given arithmetic series, what is Sn?a1 = 23, d = -5, and n = 15

A. -180 B. -157 C. -360 D. -720

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Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.y1/3(y4/9 - 9y2/9)

A. y3/4 - 9y3/2 B. y4/27 - 9y2/27 C. y-1/9 - 9y1/9 D. y7/9 - 9y5/9

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Mathematics