If you formed an algebraic equation to model the sentence, "three times a number is equal to nine," how many variables would be in the equation? a. 1 b. 2 c. 3 d. 5

What is the best reason for jacinta to have a savings account in addition to a checking account

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?