Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 22.5°
A. - 
B. 
C. 
D. - 
Answer: C
Mathematics
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Solve the problem by integration.Under certain conditions, the velocity v (in m/s) of an object moving along a straight line as a function of the time t (in s) is given by 
Find the distance traveled by the object during the first 3.00 s.
A. 4.642 m B. 8.534 m C. 3.142 m D. 2.445 m
Mathematics
Evaluate as instructed.Evaluate (f/g)(-2).
A. - 2
B. - 
C. 2
D. - 3
Mathematics
Solve the problem.If John puts 
lb of roast beef on each sandwich, how many sandwiches can he make from 3
lb of roast beef?
A. 4 sandwiches B. 15 sandwiches C. 5 sandwiches D. 3 sandwiches
Mathematics
Evaluate the expression.-5(-4)3
A. 320 B. -8,000 C. 8,000 D. -320
Mathematics