Solve the problem.A musician plans to perform 5 selections for a concert. If he can choose from 7 different selections, how many ways can he arrange his program?

A. 35
B. 21
C. 16,807
D. 2520


Answer: D

Mathematics

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Find the absolute value of the complex number.-5i

A. -5 B. 5 C. 5i D. 25

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Provide an appropriate response. Simone was pleased with her service at a local restaurant where she had entertained some friends for dinner. She left a tip of $44 for a bill of $195.55. What tip rate did she leave for the service?

A. 18.4% B. 5.4% C. 4.44% D. 22.5%

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Find the interval(s) where is continuous.

a. [ 0, ?) b. [ –3. 3] c. (–?, ?) d. [–2,3]

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Find the exact value of the expression without using a calculator.sin  cos  + cos  sin 

A.
B.
C.
D. 1

Mathematics