Please help me please

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

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?

How is the interquartile range calculated?