Which graph represents y = sqrt x - 4?

Plz help plz give me the answer

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.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2