Sum1 plz help with this.

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.

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5