Multiply. Write any improper fraction answer as a mixed number.
? 
A. 
B. 1
C. 
D. 4
Answer: D
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Solve the problem.A water tank is formed by revolving the curve y = 3x4 about the y-axis. Find the volume of water in the tank as a function of the water depth, y.
A. V(y) = 
y1/2
B. V(y) = 
y3/2
C. V(y) = 
y3/2
D. V(y) = 
y9
Solve.Elaine has a grassy patch of land on her farm that is a rectangle measuring 20 feet by 60 feet. So her goat can eat grass while Elaine is busy with other farm work, she drove two posts into the ground and fastened a rope to each post, passing the rope through a metal ring on the goat's collar. When the goat pulls on the rope while walking, its path is an ellipse. (See the figure.) If the goat can just reach all four sides of the rectangular patch, find the equation of the elliptical path.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Perform the operation indicated.Subtract: 
A. 5x3 + 3x - 5 B. 5x3 - 3x - 5 C. 5x3 + 3x + 5 D. 11x3 - 3x - 5
Convert the angle to D° M' S'' form. Round the answer to the nearest second.149.07°
A. 149°5'12'' B. 149°4'7'' C. 149°4'12'' D. 149°2'7''