Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 75°
A. 
B. - 
C. - 
D. 
Answer: D
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Solve the problem.Sally and Bill work at different jobs. Sally earns $60 per hour and Bill earns $40 per hour. They each earn the same amount per week but Bill works 3 more hours. How many hours a week does Bill work?
A. 6 B. 15 C. 12 D. 9
Explain how to obtain the graph of the given quadratic function from the graph of 
f(x) = (x + 5)2
A. Take the graph of y = x2 and shift it 5 units down. B. Take the graph of y = x2 and shift it 5 units to the right. C. Take the graph of y = x2 and shift it 5 units up. D. Take the graph of y = x2 and shift it 5 units to the left.
Find the LCM of the set of numbers.12, 30
A. 60 B. 42 C. 30 D. 360
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
A. 6x
B. 7
C. 6x
D. 7x