Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.A store manager paid $158 for an item and set the selling price at $189.60. What was the percent markup?
A. 22%
B. 21%
C. 16%
D. 20%
Answer: D
Mathematics
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Use the Fundamental Counting Principle to solve the problem.How many ways are there to arrange 6 unique CD's in order along a shelf?
A. 36 B. 720 C. 120 D. 30
Mathematics
Simplify.
A. 
B. 
C. y11
D. y3
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Perform the following operation.
?
What will be an ideal response?
Mathematics
Find (i) the amplitude, (ii) the period, and (iii) the phase shift.y = - 
sin(4x + 3?)
A.
(i)  | (ii) 4 | (iii) -  |
B.
| (i) 2 | (ii)  | (iii) 3? |
C.
(i) -  | (ii) 4 | (iii) -  |
D.
(i)  | (ii)  | (iii) -  |
Mathematics