Solve the problem.An employee earned $17,027 this year. This was a raise of 10% over last year. What was his salary last year? Round to the nearest dollar, if necessary.
A. $16,857
B. $15,324
C. $15,479
D. $17,017
Answer: C
Mathematics
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Completely factor the expression.
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?
A. 
B. 
C. 
D. 
E. 
Mathematics
Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.
A. 12 B. 36 C. 3 D. not a real number
Mathematics
Find the degree of the polynomial.z5y + 1 - x5 + z4x3
A. 3 B. 7 C. 6 D. 5
Mathematics
Find the length of the unknown side of the right triangle. In each case, a and b represent the lengths of the legs and c represents the length of the hypotenuse.
a = 20, c = 52; find b
A. 3104
B. 48
C. 2704
D. 4
Mathematics