I would round it to 81.1. If the .039 was 5 or over, I probably would have gone to 81.2.
Hope I helped! Have a nice day!
<u><em>If the question is 1st image:-</em></u>
Second image contains answer.
I hope it helps.
Square root=9 so that’s the value I think or try using slope intercept formula

Step-by-step explanation:
just plug in the x and y values of each point in the above equation and you will get a system of 3 equations for a, b, and c.
<h3>Floccinaucinihilipilification means the action or habit of estimating something as worthless.</h3>