Answer:
It's linear
Step-by-step explanation:
Linear equations have no exponents higher than a 1, which is the case for this equation cause if there's no exponent it's cause it's just a 1. Non-linear has a exponent higher than a 1, ex. 
I believe it’s 72 I hope it’s right
75 metres 30 sec
5/2 metres a sec
2.5 metres a sec
<span>3.3l : 900ml
= 3300 ml / 900 ml = 33/9 </span>
The absolute value of zero is zero