Find the sum.-19 + 18
A. 1
B. -37
C. -1
D. 37
Answer: C
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Multiply.
A. 29,178 B. 29,068 C. 29,168 D. 29,268
Solve the equation.-81 - 7x = -18 + 2x
A. {-9} B. {7} C. {9} D. {-7}
Subtract.(2x2 + 6x - 5) + (4x2 - 9x + 13)
A. 6x2 - 15x + 8 B. 6x2 - 3x + 18 C. 6x2 + 3x + 8 D. 6x2 - 3x + 8
Write a system of inequalities that describes the possible solutions to the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. The company can produce up to 140 rings each day, using up to 350 total man-hours of labor. It takes 5 man-hours to make one VIP ring and 7 man-hours to make one SST ring. Let x represent the number of VIP rings, and let y represent the number of SST rings. Including the system inequalities 
and 
, find the remaining inequalities that best describe this company's ring production.
A. x ? 140, y ? 140, 7x + 5y ? 350 B. x + y ? 140, 7x + 5y ? 350 C. x + y ? 140, 5x + 7y ? 350 D. x ? 140, y ? 140, 5x + 7y ? 350