Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. x17/3
D. x13/3
Answer: A
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Provide an appropriate response.Evaluate the following: 4(5 - 9) + 42 ÷ 7
Fill in the blank(s) with the appropriate word(s).
Determine whether or not the function is one-to-one.f(x) = x3 + 7
A. No B. Yes
Solve the problem.The area of a rectangular piece of cardboard shown is 688 square inches. The cardboard is used to make an open box by cutting a 4-inch square from each corner and turning up the sides. If the box is to have a volume of 1120 cubic inches, find the dimensions of the cardboard that must be used.
A. 12 inches by 39 inches B. 8 inches by 31 inches C. 20 inches by 47 inches D. 16 inches by 43 inches
Solve the problem using the elimination method.A salesman sold $250 more than the rest of the sales staff. If the sales total for the day was $1600, how much did the rest of the sales staff sell?
A. $925 B. $1350 C. $675 D. $800