1) [tex]\frac{11-13}{4-7}= \frac{2}{3}[/tex]
2) [tex]\frac{-2-7}{-10-(-7)}=\frac{-9}{-3} =3[/tex]
3) [tex]\frac{9-3}{-11-(-14)} =\frac{6}{3}=2[/tex]
4) [tex]\frac{8-4}{11-(-9)} =\frac{4}{20}= \frac{1}{5}[/tex]
ok done. Thank to me :>
