Plss answer with the process

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Which expression is not a polynomial?