Kayla tutors for $20 per hour she spends $50 on transportation how much does she earn is she tutors for x hours

Find an equation for the linear function which has slope -10 and x-intercept -7

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]