The pool at the community center is open daily. The swim team occupies the pool from 6:00 AM until 8:30. Then there is a one-hour open swim followed by four different 45 minute swim classes. At what time is the pool available

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?

Asequence is a function whose is the set of natural numbers

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?