Answer two questions about Systems A and B: (Look Below At Images)

(Btw this is from khan)

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

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?