Question

Can you explain to me how to do number two I'm studying for a quiz and I'm stuck on this one.

Answer 1

we have (-3,10) and (7,4), then

$\begin{gathered} (\frac{x1+x2}{2},\frac{y1+y2}{2}) \\ (\frac{-3+7}{2},\frac{10+4}{2}) \\ (\frac{4}{2},\frac{14}{2}) \\ (2,7) \end{gathered}$