Find the area of the specified region.Inside the circle r = 2 cos ? + 3 sin ?
A. 3?
B. 
+ 3
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Bill makes a $100 per month payment for 2
years to pay off a $2500 loan. What was the 
interest rate?
A. 8% B. 10% C. 12% D. None of the above is correct.
Mathematics
Find the sum of the first n terms of the following arithmetic sequence.a1 = 5, d = 5; n = 4
A. 25 B. 15 C. 20 D. 50
Mathematics
Multiply.(x2 + 3y2)(x2 - 3y2)
A. x4 - 9y4 B. x4 + 6x2y2 - 9y4 C. x4 - 3y4 D. x4 - 6x2y2 - 9y4
Mathematics
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 8, x = -8 B. x = -8 C. x = 8, x = 0 D. x = 0
Mathematics