.
(1) A scatter diagram is a graph in which the values of two variables
are plotted along two axes.
So, you can make the scatter diagram on your own, isn't it ?
You do not need the tutor's help for it . . .
(2) To develop the estimated regression equation, go to web-site
https://www.socscistatistics.com/tests/regression/default.aspx
Use online calculator, specially created for such purposes - it is free of charge.
On the way, parallel with using this calculator, learn the relevant theory
from the same web-site.
In the Internet, there are tens of similar free of charge calculators
with full description of the relevant theory,
so you can learn it from there, if you still do not know it now.