Simplify. Assume all variables represent nonnegative values.
A. 3
B. 
C. 9
D. 
Answer: D
Mathematics
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A point on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-20, 48) Find sin ?.
A. 
B. - 
C. 
D. - 
Mathematics
Write the fraction or mixed number as a percent.
A. 7.4% B. 1000% C. 74% D. 37%
Mathematics
Solve the problem.A roulette wheel contains 72 slots numbered 1 through 72. The slots 1,4,7,... are red, the slots 2,5,8,... are green, and the slots 3, 6, 9,.... are brown. When the wheel is spun, a ball rolls around the rim and falls into a slot. What is the probability that the ball falls into a green slot?
A. 
B. 
C. 
D. 
Mathematics
Simplify. Express in terms of i.9 + 
A. 9 - 3i B. 12 + i C. 6 D. 9 + 3i
Mathematics