5x + 45 = 1605 im too lazy to do this thx

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.

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2