Simplify by combining like terms.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
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Solve the problem.Let g(x) = 
. Find a function y = f(x) so that (f ? g)(x) = 
.
A. f(x) = x2
B. f(x) = 
C. f(x) = x
D. f(x) = 
Solve the problem.The amount of alcohol in the bloodstream, A, declines at a rate proportional to the amount, that is, 
. If 
for a particular person, how long will it take for his alcohol concentration to decrease from 0.10% to 0.05%? Give your answer to the nearest tenth of an hour.
A. 2.3 hr B. 1.2 hr C. 1.7 hr D. 0.4 hr
A folding camp chair is made up of a canvas seat and aluminum legs joined at their midpoints as shown. Why will this design insure that the seat, when set up, will always be parallel to the ground?
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The force of gravity between two objects is the gravitational constant times the product of their masses divided by the square of the distance between them.
A. If F is the force of gravity, G the gravitational constant, m1 the mass of one object, m2 the mass of the second, and d the distance between them, then 
B. If F is the force of gravity, G the gravitational constant, m1 the mass of one object, m2 the mass of the second, and d the distance between them, then 
C. If F is the force of gravity, G the gravitational constant, m1 the mass of one object, m2 the mass of the second, and d the distance between them, then 
D. If F is the force of gravity, G the gravitational constant, m1 the mass of one object, m2 the mass of the second, and d the distance between them, then 