Question

help please. :)

Answer 1

with what

Answer 2

i posted it.

Answer 3

ok

Answer 4

if y/x = a constant value, then it is a direct variation

15/10 = 3/2 which is 1.5
24/16 = 3/2
30/20 = 3/2

same constant value, therefore it is a direct variation...equation would be : y = 1.5x
you can even check..
y = 1.5x when y = 15 and x = 10
15 = 1.5(10)
15 = 15 (correct)