John has 630 baseball cards. he sorts the cards into stacks of 30 cards. how many stacks can he make.

630/30=21 so 21 stacks

Step-by-step explanation:

area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation:

table 3 represents a direct variation function. : )