Solve the system by substitution. If the system is inconsistent or dependent, say so.
A. (8, 2)
B. (-2, 8)
C. (-8, -2)
D. (8, -2)
Answer: D
Mathematics
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Perform the indicated operation. Simplify your answers. 
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A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Give the solution set in both interval and graph forms.4 < 1 - 4x ? 8
A. 
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B.
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C.
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D.
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Mathematics
Solve.County records list a rectangular parcel of land as measuring 28,757 square yards. A surveyor measures the length of the parcel of land as 193 yards. What is the width of the parcel?
A. 142 yards B. 149 yards C. 28,564 yards D. 158 yards
Mathematics
Solve the system using Gaussian elimination. 4x + y = 22 9x + 2y = 50
A. ? B. {(-2, 6)} C. {(6, -2)} D. {(-2, -6)}
Mathematics