Find the integral using an appropriate trigonometric substitution.


Mathematics

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Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The amount of markup on a store item is $15. Find the cost to the store if the markup is 20%.

A. $3.00 B. $75.00 C. $12.50 D. $18.00

Mathematics

Translate to a proportion. Do not solve.113% of what is 48?

A.  = 
B.  = 
C.  = 
D.  = 

Mathematics

Use the graph to find the intervals on which it is increasing, decreasing, or constant.

A. Increasing on (-?, ?) B. Decreasing on (-?, 0); increasing on (0, ?) C. Decreasing on (-?, ?) D. Increasing on (-?, 0); decreasing on (0, ?)

Mathematics

Simplify the radical expression. Assume all variables represent nonnegative real numbers.-

A. 3x B. -3x C. -27x D. 3x3

Mathematics