Samuel has a collection of toy cars. his favorites are the 27 red ones which make up 60% percent of his collection. how many toy cars does samuel have?

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?

Find the missing factor. write your answer inexponential form.9^2=9^4×

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy. how much will she pay after the discount