Four friends are collecting canned goods for charity ron collects 10 more than three times as many cans of jasmine

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?

Can someone me with these two circle theorem questions asap?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a