Really lost on how to do these 2 question if anyone can help with an explanation that would be great thanks

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

Dawn is selling her mp3 player for 3 4 of the original price. the original price for the mp3 player was $40. how much is she selling her mp3 player for?