Find the degree of the term 8x^4

Abus ride for a senior citizen cost $1.25. a monthly pass costs $35. write and inequality that represents the number of times a senior citizen must ride the bus for the monthly pass to be a better deal.

Answer these questions showing your work plz

A. 530 ft^2 b. 500 ft^2 c. 470 ft^2 d. 450 ft^2