Solve the problem.y varies directly as x and inversely as the square of z. y = 20 when x = 32 and z = 4. Find y when x = 39 and z = 5.

A. 19.5
B. 78
C. 15.6
D. 38.09


Answer: C

Mathematics

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Determine the value of the literal numbers in the given matrix equality. = 

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Refer to the figure to classify the statement as true or false.The intersection of planes AEF, FGC, and BCD is point B.

A. True B. False

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Evaluate the given function at the indicated value.f(x) = 3x2 + 5; g(x) = 2x2 + 3x - 3Find (f + g)(2).

A. 34 B. 24 C. 28 D. 22

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Find the total amount of Social Security and Medicare taxes (employees' contributions plus employer's contribution) for the company. Use a FICA rate of 6.2%, a Medicare rate of 1.45%, and assume no employee earned over $110,000.Don's Bike Shop,total employee earnings: $119,665.42

A. $17,949.81 B. $9154.41 C. $18,308.81 D. $16,753.16

Mathematics