How am I supposed to set up a problem like this:
y= x-8
y= 3x

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?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

What is the solution set of the quadratic inequality x^2-5< or equal to 0