Solve the problem.A water tank is formed by revolving the curve y = 3x4 about the y-axis. Water drains from the tank through a small hole in the bottom of the tank. At what constant rate does the water level, y, fall? (Use Torricelli's Law: dV/dt = -m
.)
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
Mathematics
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Solve the problem.Find the average height of the paraboloid 
above the annular region 
in the 
.
A. 
B. 17
C. 42
D. 
Mathematics
Divide.
A. 6 - 2i B. 6 + 2i C. 2 - 6i D. 2 + 6i
Mathematics
Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.
-3
A. 
B. - 
C. 
D. - 
Mathematics
Use a graphing utility and Cramer’s Rule to solve (if possible) the system of equations.
What will be an ideal response?
Mathematics