Divide. Assume all variables are nonzero.

A. 7x2y7
B. 7x3y7
C. 60x3y7
D. 7x3y6


Answer: D

Mathematics

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A PDF for a continuous random variable X is given. Use the PDF to find the indicated probability.Find P(27 ? X ? 42).f(x) = 

A.
B.
C.
D.

Mathematics

Provide an appropriate response.Divide, rounding to the nearest hundredth: 

A. 61.2 B. 6.11 C. 612 D. 6.12

Mathematics

Solve.z + 1 = 8

A. 7 B. 9 C. -9 D. -7

Mathematics

Simplify. ÷ (-0.7) + 2

A. -0.2381 B. -0.0159 C. -0.127 D. 0.0952

Mathematics