Answer:
y-intercept = 3
Step-by-step explanation:
- y = mx + c
- rearrange 2y-5y+15
- let y as a subject
- c = y-intercept
Hmmm.. I solved it and got 82%. I may be wrong, but try it out.
And if you need an example this is the website I went to: http://www.mathsisfun.com/data/standard-deviation.html