Use the distributive property to rewrite the expression.39(22 + 24)
A. 39 ? 22 + 39 ? 24
B. 39 ? 46
C. 39 ? 22 + 24
D. 39 + 22 + 24
Answer: A
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Express the given expression in simplest form with only positive exponents.(x-6)2
A. 
B. x-4
C. 
D. x12
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Solve the problem.The graph shows the amount of potential energy V(x) (in arbitrary energy units) stored in a large rubber band that is stretched a distance of x inches beyond its relaxed length.
The magnitude of the force required to hold the rubber band at the position 
is the derivative of the potential energy with respect to x, evaluated at the point 
Estimate the force required to hold the band at a stretched
position 
(Hint: the force in this problem has units of "energy units per inch".)
A. 3.7 energy units per inch
B. 2.6 energy units per inch
C. 4.4 energy units per inch
D. 0.4 energy units per inch