Solve the problem.If Gloria received a 5 percent raise and is now making $24,150 a year, what was her salary before the raise?
A. $24,000
B. $23,150
C. $22,150
D. $23,000
Answer: D
Mathematics
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Subtract the fractions below, and express the answer in its lowest terms.
?
?
A.
B.
C.
D.
E.
none of these
Mathematics
Use an identity to find the value of the expression. Do not use a calculator.sec2 55° - tan2 55°
A. 1 B. 0.30 C. 0.55 D. 0
Mathematics
Evaluate the expression without using a calculator.
1/2
A. 
B. 
C. 
D. 
Mathematics
Translate the problem situation to a system of equations. Do not solve.The difference between two numbers is 1. Three times the smaller number plus the larger number is 85. What are the numbers?
A. x - y = 1; 3x + y = 85 B. x + y = 1; x + 3y = 85 C. x - y = 1; x + 3z = 85 D. x - y = 1; x + 3y = 85
Mathematics