[tex]\\ \rm\rightarrowtail m=\dfrac{10-5}{6-3}=\dfrac{5}{3}[/tex]
Equation in point slope form.
[tex]\\ \rm\rightarrowtail y-5=5/3(x-3)[/tex]
[tex]\\ \rm\rightarrowtail 3y-15=5x-15[/tex]
[tex]\\ \rm\rightarrowtail 3y=5x[/tex]
[tex]\\ \rm\rightarrowtail y=5/3x[/tex]
Graph attached
#2
[tex]\\ \rm\rightarrowtail y=5(24)/3=40[/tex]
