The altitude of a submarine is -40 meters. if this is 15 meters less than its previous altitude, what was the previous altitude ?

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay

Which of the following is an irrational number