Kelly now earns $13.50 per hour. This is 120% of what she earned last year. What did she earn per hour last year? Write your final answer as a dollar amount.

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab