HELP needed urgently cause this is a huge grade for my school

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.

Proportions in triangles solve for x

The curved part of the figure is the semicircle what is the best approximation for the area of this figure