You would use the method:
c. SSS
That is because since you were not given any angles and only sides of the window you could only prove this with three different sides.
So, youd start by adding the two sales together to get total sales. Then you would divide that number by the gas sales to get the percent
65560+36740 = x
36740/ x = the percentage :)
Polynomials are determined to be a trinomial, binomial, etc by the amount of terms they have
For example
7x+3 is a binomial
