Whats 9+10= i need this answer so i can tell my friend the right answer lol

Factor the monomial completely 42a3b3

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups