Can someone me or take a picture of the work unless u want to type it to who ever

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?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120

What is the value of x enter your answer in the box (3x+50