Graph the pair of parametric equations with the aid of a graphing calculator.x = 4(t - sin t), y= 4(1 - cos t), 0 ? t ? 4? 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A musician plans to perform 5 selections for a concert. If he can choose from 8 different selections, how many ways can he arrange his program?
A. 40 B. 56 C. 32,768 D. 6720
Mathematics
Solve the problem. Be sure to make a diagram of the situation with all the given information labeled.
?
A boat travels on a course of bearing 
for 77.6 miles. How many miles north and how many miles west has the boat traveled? Round your answers to the nearest tenth of a mile.
?
A. 62.3 mi N, 44.9 mi W B. 61.8 mi N, 46.2 mi W C. 63.3 mi N, 42.6 mi W D. 62.3 mi N, 42.6 mi W E. 63.3 mi N, 44.9 mi W
Mathematics
Find the exact value of the expression if ? = 45°. Do not use a calculator.f(?) = cos ?Find 
.
A. 
B. 10
C. 
D. 
Mathematics