Number 9 and 10. say which one you r doing plzzz

Pranza plotted point a in the coordinate plane below.

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?

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy