Graph the inequality.y ?
x2 + 4
A.
B.
C.
D.
Answer: C
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Translate the problem to a system of equations, then solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1200 liters per hour. What is the flow in each pipe?
A. 600 liters/hr hot, 400 liters/hr cold B. 400 liters/hr hot, 600 liters/hr cold C. 720 liters/hr hot, 480 liters/hr cold D. 480 liters/hr hot, 720 liters/hr cold
The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither
Find the midpoint of the line segment joining the points P1 and P2.P1 = (-2, -9); P2 = (-7, -8)
A.
B.
C.
D.
Solve the problem.Al's Recycling Center pays local children $0.50 for each pound of aluminum cans they bring in. If Bobby brings in 11 pounds of cans, what are his gross earnings?
A. $5.50 B. $4.00 C. $7.00 D. $11.50