Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. xy1/3
D. 
Answer: B
Mathematics
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Solve the problem.Two plumbers make house calls. One charges $95 for a visit plus $30 per hour of work. The other charges $80 per visit plus $40 per hour of work. For how many hours of work do the two plumbers charge the same?
A. 2 hr B. 1.5 hr C. 0.5 hr D. 1 hr
Mathematics
Provide an appropriate response.Find the area of a building with two parts, one shaped like a square measuring 30 feet on a side and the other a rectangle with a width of 40 feet and a length of 50 feet.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Rationalize the denominator. Assume variables represent non-negative values.
A. 4x
B. 4x
C. 4x
D. x
Mathematics
Divide and simplify. Write the answer as a mixed number if possible.4
÷ 1
A. 4
B. 3
C. 3
D. 3
Mathematics