Use the power rules to simplify the expression. Use positive exponents to write your answer.(2x4)-2

A.
B.
C. 4x8
D. -4x4


Answer: B

Mathematics

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Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.

A.

B.

C.

D.

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Find the length of the curve.The spiral r = 5?2, 0 ? ? ? 2

A.
B. 80?5
C. ((?2 + 1)3/2 - 1)
D. 720

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How much coffee does an average cup contain? ? Without measuring, pick the best answer. ?

A. 250 ml B. 750 ml C. 1 L D. 500ml E. 2 L

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Find the amount necessary to fund the given withdrawals.Semiannual withdrawals of $220 for 7 years; interest rate is 7.4% compounded semiannually.

A. $2370.60 B. $1335.22 C. $9521.29 D. $4774.15

Mathematics