If j is 21 inches, k is 12 inches, and 883 in
348 in
29.7 in
18.7 in

kkkll

step-by-step explanation:

kljlklj

we would need a picture of the quadrilateral in order to answer the question. also, it seems that the question is missing some components.

first the equation needs to be simplified. so the equation would now look like:   52-24+11

then you multiply.

and when you multiply, you will get the answer of 39.