Mr. Tuyen uses 5/8 of a tank of gas each weekto drive to and from his job. how many tanks of gas does mr. tuyen use in 5 weeks

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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?

I’m still confused on how to work the percentages