Answer:
B.) About 2 hours
Step-by-step explanation:
Well the Full volume of the tank is 1440 cubic feet. If you multiply 15 by sixty, thats 900. 900 is cubic feet per hour, so there are 1.6 times 900 in 1440. Therefore 1.6 hours to drain the whole thing and B is the closest answer.
242,000
Since the 6 in the hundreds place is greater than 5, you round up.
3
the last option: y=x^2 +3
