This is the answer of this question
Answer:
i think 1
remember like this: y=mx+b
m is slope
b is y intercept
An equation has infinitely many solutions if it can be manipulated all the way to an identity (i.e. an equality where the right and left hand side are the same). We have:
A) 
which is impossible
B) 
which is an equality
C) 
which has a unique solution
D) 
which has a unique solution
(-60/min)/2
= -30 metres
It has descended 30 metres.
Answer: you should make a ratio
Step-by-step explanation: the biggest to the middle to the smallest