Which relation is also a function?

((0,3), (1, 2), (1, 4), (2, 1)]

[(-1, 3), (0, 2), (3, -1), (3, 2))

{(2,-4), (2,-2), (2, 1), (2, 3)]

[(-4,-3), (0, -3), (1, -3), (4, -3)]

Abcd is a parallelogram find the valuse of x

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?