Find the center (h, k) and radius r of the circle with the given equation. x2 + (y + 6)2 = 9
A. (h, k) = (0, -6); r = 3
B. (h, k) = (-6, 0); r = 9
C. (h, k) = (-6, 0); r = 3
D. (h, k) = (0, -6); r = 9
Answer: A
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Solve the problem.An organization helping to provide meals to city shelters for the homeless has a membership of 60 volunteers. They are assigned among the four city areas A, B, C, and D in proportion to the number of people fed in the respective areas. The numbers of people fed at the city shelters in each city area are shown in the following table. 
Use Jefferson's method to extend the table and apportion the 60 volunteers among the city areas. 
A. 
B. 
C. 
D. 
Find the LCD of the given rational expressions.
; 8
A. 7x + 4 B. 24 C. 7x D. 56x + 32
Simplify. Assume that all radicands are nonnegative.2
(
- 
)
A. 4 sin ? (1 + 39
)
B. 4 cos ? 
+ 3 sin2 ?
C. 3 cos2 ? 
+ 2 sin ?
D. 4 sin ? (1 - 3 
)