Find the area of the specified region.Shared by the circles r = 4 and r = 8 cos ?
A. 
(2? + 3
)
B. 
(4? - 3
)
C. 
?
D. 8?
Answer: B
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Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__ghvb0609192137__f1q30g7.jpg" alt="" style="vertical-align: -4.0px;" />
Rwhere R is the trapezoid with vertices at 
A. 
sin 1
B. 
sin 2
C. 
sin 2
D. 
sin 1
Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x + 5)2 - 7
A. (-5, 7), up B. (-5, -7), down C. (5, 7), down D. (5, -7), up
Solve.The sum of the squares of two numbers is 116 and the difference of their squares is 84. Find the two numbers
A. 10 and 4; 10 and -4 B. 10 and 4; 10 and -4; -10 and 4; -10 and -4 C. 10 and 4; -10 and -4 D. 10 and 4
Find the equation of the hyperbola satisfying the given conditions.Asymptotes y = 
x, y = - 
x; one vertex (0, 22)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1