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) = 
y9
B. V(y) = 
y3/2
C. V(y) = 
y1/2
D. V(y) = 
y3/2
Answer: B
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Solve. First combine any like terms on each side of the equation.8y - y = -21
A. -8 B. -3 C. 3 D. 8
Write a negation for the statement.No fifth graders play soccer.
A. No fifth grader does not play soccer. B. Not all fifth graders play soccer. C. All fifth graders play soccer. D. At least one fifth grader plays soccer.
Carli and Dale want to divide fairly the chocolate-strawberry cake shown below using the divider-chooser method. The total cost of the cake was $18.00. Carli values strawberry and banana equally, but values chocolate twice as much as either of these put together. Dale values chocolate three times as much as he values strawberry. Further, he values strawberry twice as much as he values banana.
If Dale is the divider, which of the divisions shown below is consistent with Dale's value system? 
A. Division 1 B. Division 2 C. Division 3 D. all of these E. none of these
Provide an appropriate response. Is the number 12.3 rational?
A. Yes B. No