Solve the problem.If Gloria received a 9 percent raise and is now making $21,800 a year, what was her salary before the raise?
A. $20,000
B. $19,800
C. $21,000
D. $20,800
Answer: A
Mathematics
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Solve the equation. Express radicals in simplest form.(x + 4)2 - 5 = 0
A. {4 + 
, 4 - 
}
B. {1, 9}
C. {-4 + 
, -4 - 
}
D. {-2 + 
, -2 - 
}
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Complete the solution of the linear inequality by shading the appropriate region.7x + 2y ? 14
A. 
B. 
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Write the sum in summation notation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
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Evaluate 
at the value of 
a. –0.5 b. 0.5 c. –2 d. 2
Mathematics