Help plz i dont get it if u can do 54-63 with the steps on ur notebook and then send it as the answer that would be wonderful

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Solve the equation by completing the square. x^2+2x=17

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.