Find the area of the specified region.Inside the circle r = a sin? and outside the cardioid r = a(1 - sin ?), a > 0
A. 
(2? - 3
)
B. 
(4? - 3
)
C. 
(6 - ?)
D. 
(3
- ?)
Answer: D
Mathematics
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Solve the problem. Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 10 in. and 
= 5 lb
A. 
ft-lb
B. 
ft-lb
C. - 
ft-lb
D. 
ft-lb
Mathematics
Solve the equation. Write the answer in a + bi form.z2 + 8 = 0
A. 2
i, -2
i
B. 
+ 
i, - 
- 
i
C. 2i, -2i
D. 2 + 2i, -2 - 2i
Mathematics
Evaluate the integral by changing the order of integration in an appropriate way.
A. 
B. 
C. 
D. 
Mathematics
Choose the closest estimate.Which is the closest to the length of a pencil?
A. 15 mm B. 15 cm C. 15 m D. 15 km
Mathematics