Dot products of vectors given in component form BRANLIEST

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?

Aline passes through 3,7 and 6,9 what equation represents the line

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?