Solve.x - y + z = 63y + z = 15 z = 9
A. {(-1 , -2, 9)}
B. {(0 , -3, 9)}
C. {(-1 , 2, 9)}
D. {(0 , 3, 9)}
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Find the distance between the points. Round your answer to the nearest tenth except when an exact answer is requested.(3, 7) and (-6, -7) (exact answer)
A. 126
B. 115
C. 
D. 
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For the compound inequality, give the solution set in both interval and graph forms.x - 1 > 1 or x + 1 < 2
A. (-?, 1) ? (2, ?)
B. (1, ?)
C. (-?, -1) ? (2, ?)
D. (-?, 2)
Mathematics
Solve the problem.How much work does it take to slide a box 40 meters along the ground by pulling it with a 182 N force at an angle of 14° from the horizontal?
A. 7280 joules B. 7064 joules C. 995.4 joules D. 176.6 joules
Mathematics