Can somebody make me a math problem dealing with order of operation using PEMDAS that equals to negative 5(must have exponent)

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.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?