Answer:7.85
Step-by-step explanation:
Answer:
It lies on the y axis
Step-by-step explanation:
Given

Required
How is it significant?
A coordinate point is represented as 
In this case, we have that:

i.e.


x being 0 and y being non zero (in this case, 7) implies that the point lies on the y axis
See attachment for point
Answer:she had it 3 hours
Step-by-step explanation:
9:8 is the equivalent ratio