Jamie's quilt is made of 9 green squares and 12 yellow squares. What is the ratio of the number of yellow squares compared to the total number of squares on the quilt? Please write your answer in one of the three ways we learned about.

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

What expression is equivalent to 42x-56y

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?