I dont get it ? And need an explanation yk

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

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.