Sydney's dad helps her invest in the stock market. She gives her dad $12 and asks him to invest it in
bicycles. The next month her dad cashes out her
stocks and gives Sydney $24 back. What
percentage of money did she make?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

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?