Is the relation (3,-8) (-9 1) (3 2) (-4 1) (-11 -2) and (1,1) (2,0) (3,1) (4,3) (0,2) a function?

Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

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.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package