Provide an appropriate response.
Factor: x2 + 7x + 30
A. (x + 3)(x + 10)
B. (x + 10)(x - 3)
C. prime
D. (x + 3)(x - 10)
Answer: C
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A. 
B. 
C. 
D. 
Solve the problem using the elimination method.There were 550 people at a play. The admission price was $2 for adults and $1 for children. The admission receipts were $810. How many adults and how many children attended?
A. 290 adults and 260 children B. 260 adults and 290 children C. 145 adults and 405 children D. 202 adults and 348 children
Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 
A. - 
B. 
C. - 
D. 
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Compounded: semiannuallyTime: 5.5 years
A. 9% B. 6% C. 8% D. 7%