Solve the system of linear equations by substitution. write your answer as an ordered pair (x, y).
y = x + 3
y = 5x - 5

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

What is a graph with a never ending line called?