What is the domain of all of these points?
(8, 2), (12,9), (16, 16), (20, 23)

8, 12, 16, 20

Step-by-step explanation:

those are the domains

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.