Evaluate the expression using the given values.
xy2; x = -7
, y = 
A. - 
B. - 
C. - 
D. - 
Answer: C
Mathematics
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Decide if the number is rational or irrational.
A. Rational B. Irrational
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Evaluate the exponential expression.(0.5)3
A. 0.125 B. 125 C. 1.5 D. 0.167
Mathematics
Solve graphically.2x + y = 9x = -2y
A. No solution B. Infinitely many solutions C. (6, -3) D. (6, 3)
Mathematics
Represent the shaded area in the figure group with an improper fraction.
A. 
B. 
C. 
D. 
Mathematics