Plz help I want to ace this

The table above shows approximate conversions from gallons to liters. what is the value of x?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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?