In △mnk mn = nk, m∠n = 110º, mk = 5. find mn.

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.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Find the distance between (0,5) & (-4,2)