Ahot air balloon at 1020 feet descends at a rate of 85 feet per minute. let y represent the height of the balloon and let x represent the number of minutes the balloon descends. write an equation that relates the height of the minutes it descemds

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.