Jon has to pay 7.50 admission for the skating rink and 1.50 per hour to rent roller blades. write an equation for the cost (y) based on the number of hours (x)

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18