Identify the quantities that are equivalent to 250meters

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

Answer! if you don’t mind, can you explain

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)