Write and simplify an expression for the area of the triangle (please answer!)

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

What multiplys to be 1 but adds up to be 4