Write a rule to describe the cost c(p) of an item on sale for 25% off as a function of its original price p.

Me asap! what is the slope of this line? enter your answer in the box.

I’m confused on how to work the pie charts

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?