Evaluate the square roots first, then add, subtract, or multiply the results. Do not use a calculator or a square root table.
+ 
A. 12
B. -8
C. 104
D. 20
Answer: A
Mathematics
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Evaluate the expression for the given replacement values.x - y
for x = -17, y = -6
A. 23 B. 11 C. -11 D. -23
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Determine if the ordered pair is a solution of the equation. Remember to use alphabetical order for substitution.(4, 4); 5x + 2y = 28
A. No B. Yes
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Solve.xy = 16x + y = 8
A. (1, 16) B. (4, 4) C. (5, 3) D. (4, 6)
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Compute.-?-25?
A. 25
B. -25
C. 0
D. - 
Mathematics