Will give brainliest asap

which relations represent functions?

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 graph corresponds to the function f(x) = x2 + 4x – 1?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10