SOLVE PLEASE I CANT DO THIS ANYMORE

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)