Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 4 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 
Answer: B
Mathematics
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Solve.
A. 
, 
, 
, 
B. 
, 
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, 
C. 
, 
D. no solution
Mathematics
Find the sum.3 + (-2)
A. -5 B. 5 C. -1 D. 1
Mathematics
Find the perimeter of the figure.
A. 92 m B. 101 m C. 119 m D. 106 m
Mathematics
Solve the problem.There is a relationship between the expected number of tickets sold for a raffle and the dollar value of the prize for the raffle. The equation T - 8P = 200 describes this relationship, where T is the expected number of tickets sold, and P is the dollar value of the raffle prize. Suppose the expected ticket sales for a certain raffle are 3400. Determine the dollar value of the raffle prize.
A. $3200 B. $400 C. $27,400 D. $350
Mathematics