Open the MATLAB$$ app and create a new file

$($b$)$ Define two variables a $=15$ and b $=20.$

$($c$)$ Add them and store the result in c$.$ Find the result printed on the console and insert a screenshot

$($d$)$ Find the "workspace" area. You should see three entities a$,$ b$,$ c$.$ Do the values match with those expected? Insert a screenshot