Perform the indicated operation and simplify. Assume all variables in the radicand are greater thanor equal to zero.
? 
A. 
B. 182mn
C. 
D. 
Answer: D
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Solve the problem.The recipe for a chocolate chip cake calls for 
pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?
A. 20 pounds B. 5 pounds C. 16 pounds D. 4 pounds
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log x - log(x + 4) = 1
A. 
B. - 
C. - 
D. No solution
Solve the problem.Jill is 20 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 1.5 kilometers per hour. They meet in 5 hours. How fast is Joe walking?
A. 1.5 kilometers per hour B. 4.5 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour
Simplify.(-2)(x - 7)
A. -2x - 14 B. x + 14 C. -2x + 14 D. -2x - 7