Answer:
sorry i wish i could help im just doing this for points:(
Step-by-step explanation:
I totally typed the right answer for the wrong question sorry
That is linear
it is linear when the highest exponent of the placeholder is 1
x=x¹
x=0 is linear already
we can't do y=something because the slope is undefined and stuff
equation is x=0
Im pretty sure 20 is the anwser