Determine the real solutions to the system of nonlinear equations.y = x - 1y2 = -4x
A. (-1, -2), (-1, 2), (1, 0)
B. (-1, -2), (-1, 2)
C. (-1, -2), (1, 0)
D. (-1, -2)
Answer: D
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A. {r, t, u, v, w, s, y, z} B. {y, z} C. {r, t, v, w, x} D. {v, x}
Solve the problem.A solid of constant density is bounded below by the plane 
above by the cone 
and on the sides by the cylinder 
Find the center of mass.
A. (0, 0, 
)
B. (0, 0, 
)
C. (0, 0, 
)
D. (0, 0, 
)
Solve the problem.Maria and Charlie can deliver 75 papers in 3 hours. How long would it take them to deliver 60 papers?
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A. 2 - x + 11 B. 11 - 2x C. 2x - 11 D. 11 + 2x