Divide.
A. 3x2 + 9x - 
B. 3x + 9 - 
C. 21x2 + 63x - 3
D. 3x2 + 63x - 3
Answer: A
Mathematics
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Find the area of the specified region.Shared by the circles r = 4 cos ? and r = 4 sin ?
A. 2(? - 2)
B. 2(2 - 
)
C. 4?
D. 
(4? - 3
)
Mathematics
Graph.25x2 - 4y2 = 100
A. 
B. 
C. 
D. 
Mathematics
Use an amortization table to find the value.
A. 0.09634 B. 0.09311 C. 0.10102 D. 0.09227
Mathematics
Use a calculator to approximate the expression. Write your answer in scientific notation, and round to the nearest tenth as needed.(2.6 × 105) + (3 × 107)
A. 3.2 × 10-7 B. 3.2 × 1012 C. 3.0 × 10-12 D. 3.0 × 107
Mathematics