Answer:
3rd option. The way you do it is just plug in negative x value let's say -8, plug it in then y would be a positive value. So that rules out first two options. Then plug in positive x value, y would be negative.
I think 17.2 sorry if im wrong
Answer:
Least to greatest is: 0.0625, 6.75% and
.
Step-by-step explanation:
Given:
The three quantities to compare are:
6.75%, 0.0625, and 
Let us convert each into percentage.
6.75% is already in percentage.
We multiply a number by 100 to convert it to percentage form.
So, 

Now, on comparing all the three percentage, we conclude that,
70% is the greatest and 6.25% is the least.
So, order from least to greatest is:

Yes, we need the sisters age to find it the answer, not trying to be rude we just need the sisters age.