Find the area of the specified region.Shared by the circles r = 9 cos ? and r = 9 sin ?
A. 
(2 - 
)
B. 
?
C. 
(4? - 3
)
D. 
(? - 2)
Answer: D
Mathematics
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Solve the initial value problem.
= cos t - sin t, s
= 11
A. s = sin t - cos t + 10 B. s = 2sin t + 9 C. s = sin t + cos t + 10 D. s = sin t + cos t + 12
Mathematics
Find the extreme values of the function subject to the given constraint.
A. Maximum: 77 at 
minimum: 13 at 
B. Maximum: 77 at 
minimum: 13 at 
C. Maximum: 81 at 
minimum: 9 at 
D. Maximum: 49 at 
minimum: 41 at 
Mathematics
Divide. Use bar notation to write repeating decimals. 16.5 ÷ 1.98
A. 8.
B. 8.6
C. 8.
D. 8.3
Mathematics
Find the prime factorization of the number. Write any repeated factors using exponents.63
A. 33 ? 7 B. 3 ? 7 C. 32 ? 7 D. 3 ? 72
Mathematics