Find the area of the specified region.Inside the cardioid r = ?(1 + sin ?), ? > 0
A. 
- 2?2
B. 2??
C. 
+ 2?2
D. 
Answer: D
Mathematics
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Find a system of inequalities with the given graph.
A. y > -4 x ? 2 B. x > -4 y ? 2 C. y ? -4 x ? 2 D. y > -4 x ? -4
Mathematics
What can be said about ?A , ?C , and ?ABC?
(a) each equals 70°
(b) they sum to 360°
(c) congruent
(d) no relationship
Mathematics
The magnitude of the horizontal and vertical vector components 
and 
of vector V are given. Find the magnitude of V. Apply the rules regarding the use of significant digits when determining your answers.
?
?
__________
Fill in the blank(s) with the appropriate word(s).
Mathematics
The tank shown is full of water. Given that water weighs 62.5 lb/ft and R = 5, find the work (in lb-ft) required to pump the water out of the tank.
Mathematics