45-45-90 Review. Help me please, Need it before 1:08

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Which of the following is the result of expanding

Factor the expression using the gcf. the expression 21m−49n factored using the gcf