Mai spends 7 3/5 hours in school. her lunch is 30 minutes and switching rooms is another 42 minutes. the rest of her day is spent in 6 classes that are all the same length. how long is each class?

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?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

The anwser cause i do not understand just plez