Write the augmented matrix for the system. 8x + 6y = 96 9x + 4y = 86
A. 
B. 
C. 
D. 
Answer: B
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Find the area of the specified region.Shared by the circles r = 2 and r = 4 cos ?
A. 
(4? - 3
)
B. 
?
C. 
(2? + 3
)
D. 2?
Solve the problem.Write parametric equations for the tangent line to the curve of intersection of the surfaces 
and 
at the point 
A. 
B. 
C. 
D. 
Use the graph of the function f(x) to determine which values of x satisfy the the given equation.f(x) = -4
A. x = -2 and x = 2 B. x = 1 C. x = 1 and x = -1 D. x = -1
An inlet pipe on a swimming pool can be used to fill the pool in 35 hours. The drain pipe can be used to empty the pool in 40 hours. If the pool is half filled and then the drain pipe is accidentally opened, how long will it take to fill the pool? ? __________ hours
Fill in the blank(s) with the appropriate word(s).