Solve for x in the proportion.
= 
A. 
B. 1
C. 
D. 40
Answer: B
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Solve the problem.The hemispherical bowl of radius 8 contains water to a depth 1. Find the volume of water in the bowl.
A. 
?
B. 349?
C. 
?
D. 
?
Solve the problem.A rectangular swimming pool has a parabolic drain plate at the bottom of the pool. The drain plate is shaped like the region between y = 
x2 and the line y = 
from x = -1 to x = 1. The pool is 10 ft by 20 ft and 8 ft deep. If the drain plate is designed to withstand a fluid force of 200 lb, how high can the pool be filled without exceeding this limitation?
A. 4 ft 11 in. B. 5 ft 6 in. C. 5 ft 9 in. D. 5 ft 1 in.
Solve the problem.A vendor has learned that, by pricing pretzels at $1.25, sales will reach 128 pretzels per day. Raising the price to $2.25 will cause the sales to fall to 84 pretzels per day. Let y be the number of pretzels the vendor sells at x dollars each. Write a linear equation that models the number of pretzels sold per day when the price is x dollars each.
A. y = 44x + 73
B. y = -44x - 183
C. y = -44x + 183
D. y = - 
x + 
Use the roster method to write the given set of numbers. Interpret "between a and b to include both a and b."The natural numbers between 3 and 9.
A. {0, 1, 2, 3} B. {3, 4, 5, 6, 7, 8, 9} C. {3, 9} D. {4, 5, 6, 7, 8}