## Algebra 1

C, $\frac{2}{3}$
The slope equation is m=$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$, and it's given that $x_{1}$=-5, $x_{2}$=1, $y_{1}$=3, $y_{2}$=7 so m=$\frac{7-3}{1-(-5)}$=$\frac{4}{6}$=$\frac{2}{3}$ Therefore the answer is C