What kind of triangle is this pls someone answer

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

Ineed to know the answer to this algebra question.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27