Connor filled his 75 gallon pool with water in 6.25 hours. How many gallons per hour did he use?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Which of the following parabolas opens up?