Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.

A.
B.
C.
D.


Answer: C

Mathematics

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Solve.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $1900.00 with an interest rate of 3% earned $57.00 in simple interest. Find the amount of simple interest earned if the principle is $4700.00 and the interest rate is 2%.

A. $141.00 B. $9400.00 C. $94.00 D. $38.00

Mathematics

Solve the problem.A small farm field is a square measuring 240 feet on a side. What is the perimeter of the field?

A. 960 ft B. 1920 ft C. 480 ft D. 240 ft

Mathematics

Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. log80.319

A. -0.496 B. -0.549 C. -1.820 D. 25.078

Mathematics

Graph the sinusoidal function.y =  cos (- x)

A.

B.

C.

D.

Mathematics