Number 3 because there is one output(y value) for one input (x value)
If your equation is

, the only thing you need to do to get x by itself is to get rid of the denominator, the

. To get rid of a denominator, you multiply both sides by it, so you're left with

so
Answer:8.76712328...%
Step-by-step explanation:
1.Find the increase in students. 397-365=32
2. Take the ratio and put it into percent. 32/365=x/100
3. Cross multiply. 32 x 100=365x
4.Solve. X=8.76712328...%
It is repeating forever like this.
8.767123287671232876712328
Answer:
30
Step-by-step explanation: