Solve the equation.5x + 7x = 96
A. 8
B. 9
C. 17.8
D. 84
Answer: A
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Multiply or divide as indicated. Write the answer in lowest terms.
? 
A. 28
B. 2
C. 
D. 1
Solve the given applied problems involving variation.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 2?
A. The weight is multiplied by 2. B. The weight is multiplied by 4. C. The weight is divided by 4. D. The weight is divided by 2.
Determine whether the two equations in the pair are equivalent.6 - x = 3 and 5x = 15
A. Equivalent B. Not equivalent
Find the inverse of the function.f(x) = (x - 19)2 + 1 , x ? 19
A. f-1(x) = 
- 1
B. f-1(x) = 1x2 + 19
C. f-1(x) = 
+ 19
D. f-1(x) = 
- 19