Solve the problem.A garage owner wants to fill a 55-gallon drum with a 20% winter mixture of antifreeze for his customers. How many gallons of 100% antifreeze should he mix with some 10% antifreeze mixture in order to fill the drum?
A. 48
gallons
B. 35
gallons
C. 19
gallons
D. 6
gallons
Answer: D
Mathematics
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Solve the problem.Let f(x) = 
. Find a function y = g(x) so that (f ? g)(x) = 
.
A. g(x) = x2 - 2 B. g(x) = 2x C. g(x) = x2 D. g(x) = x2 + 2
Mathematics
Solve the problem.A right triangular plate of base 4.0 m and height 2.0 m is submerged vertically, as shown below. Find the force on one side of the plate. 
4.0 m
A. 13,000 N B. 78,000 N C. 52,000 N D. 39,000 N
Mathematics
Find any missing lengths in the similar shapes.
A. 168 ft. B. 149 ft. C. 147 ft. D. 189 ft.
Mathematics
Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 1 - x2 for x ? 0 
A. 
B. 
C. 
D. 
Mathematics