Solve the problem. Round to the nearest cent or tenth of a percent.A 22.2% markup based on cost is equivalent to what percent based on selling price (retail)?

A. 82.6%
B. 17.4%
C. 81.8%
D. 18.2%


Answer: D

Mathematics

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Find the extrema of the function on the given interval, and say where they occur.csc2x + 2 cot x, 0 < x < ?

A. local minimum: 0 at x = 
B. local maximum: 0 at x = 
C. local minimum: 0 at x = 
D. local maximum: 0 at x = 

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Add or subtract as indicated. If terms are not like radicals and cannot be combined, so state. Assume all variables represent nonnegative real numbers.9 + 2

A. 11
B. 13
C. -13
D. -5

Mathematics

Perform the addition. Express your answer in simplest form. + 

A.
B.
C.
D.

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Write in exponential form.log77-9 = -9

A. 9-7 = 9-7  B. 7-9 = 7-9  C. 7-9 = 9-7  D. 7-9 = log79

Mathematics