Divide.
A. r2 + 4
B. r - 4
C. r + 4
D. r2 - 4
Answer: B
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As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.The sampling frame for this survey
A. is larger than the target population. B. contains members that are not in the target population. C. is smaller than the target population. D. is the same as the target population. E. none of these
Factor.x2 - 10x + 16
A. (x - 8)(x + 2) B. (x + 8)(x + 2) C. (x - 8)(x - 2) D. (x + 8)(x - 2)
The graph of a function of the form y = A cos (Bx - C) + D or y = A sin (Bx + C) + D where B > 0 is given. Determine the equation of the function represented by the graph.Use y = cos x
A. y = 2 cos 
- 2
B. y = 2 cos 
+ 2
C. y = 2 cos 
- 2
D. y = 2 cos 
+ 2
Find the payment necessary to amortize the loan.$9000; 6% compounded annually; 
payments
A. $1627.96 B. $1830.27 C. $1612.21 D. $1449.32