Mack is repacking 6/8-pound bags of birdseed into 1-pound bags of birdseed. what is the least number of 6/8-pound bags of birdseed he needs in order to fill 1-pound bags without leftovers

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Ineed to know the answer to this algebra question.

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.