Abigail loves collecting stamps. A particular pack of stamps costs a lot of money, so she sells half of
her collection in order to afford it. She buys the
pack of 15 stamps and now has 145 total. How
many did she have before she sold half of the
collection?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Which graph represents the parent function of y=(x+2)(x-2)

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?