A large tank is designed with ends in the shape of the region between the curves 
and y = 15, measured in feet. Find the hydrostatic force on one end of the tank if it is filled to a depth of ft with gasoline. (Assume that the density of the gasoline is 42.0 lb/ft3.)
What will be an ideal response?
7,698 lb
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Use the product rule to simplify the expression. Write the result using exponents.78 ? 75
A. 740 B. 713 C. 4913 D. 4940
Write the rate as a unit rate.1587 cars in 690 households
A. 2.3 cars/household B. 897 cars/household C. 2277 cars/household D. 0.435 car/household
Solve the problem.The magnitudes of two stars, A and B, are 3 and 25, respectively. Compare the brightness of these stars.
A. Star A is ? 1.00 × 1011 times brighter than star B. B. Star A is ? 6.31 × 108 times brighter than star B. C. Star A is ? 1.00 × 1044 times brighter than star B. D. Star B is ? 1.58 × 109 times brighter than star A.
The graph shows the average time spent doing homework. Use the graph to answer the question. 
If 5000 students were surveyed, find the number of students who said they spend 40 minutes or less on homework.
A. 1100 students B. 2175 students C. 2150 students D. 1050 students