The amount or money you earn at your job varies directly with the number of hours you work. how many hours will you need to work to earn $145 if you earn $21.75 for 3 hours?

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

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