Answer:
1. R and Z 2. AC and AE
Step-by-step explanation:
(1/12)X = 6800
6800/ (1/12) = X
X = 81600 (hours)
6800 (6.8 * 10^3) divided by 1/12 (12^-1) equals 81600. It will take 81600 hours for the pool to completely empty at a rate of 0.833333333 or 12^-1 gallons per second.
Answer:
2(3x+6), 6(x+2), and 3(2x+4)
Step-by-step explanation: