Evaluate the expression for other given values of the variables.
for x = -8, and y =-4.
A. -1
B. 0
C. 1
D. undefined
Answer: A
Mathematics
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Find the perimeter of the polygon. You may first need to find the measures of the unknown sides. Assume that all angles are right angles. The polygon is not drawn to scale.
A. 88 m B. 117 m C. 103 m D. 100 m
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Multiply and simplify if possible.
A. 22
B. 
C. 44
D. 
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Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. x = -8, y = -6; (-8, -6) B. x = -6, y = 8; (-6, 8) C. x = 8, y = 6; (8, 6) D. x = 6, y = 8; (6, 8)
Mathematics
Write the inequality obtained by performing the indicated operation on the given inequality.Multiply each side of the inequality 5 + 5x ? 3 by 2.
A. 10 + 10x ? 6 B. 10 + 10x ? 6 C. 10 + 5x ? 6 D. 10 + 5x ? 6
Mathematics