Answer:
[tex]-\frac{3}{2}[/tex]
Step-by-step explanation:
[tex]-\frac{7}{6}c+\frac{3}{4}ab[/tex]
[tex]-\frac{7}{6}(-9)+\frac{3}{4}(8)(-2)[/tex]
[tex]\frac{-7*-9}{6}+\frac{3*8*-2}{4}[/tex]
[tex]\frac{63}{6}+\frac{-48}{4}[/tex]
[tex]\frac{21}{2}-\frac{24}{2}[/tex]
[tex]\frac{21-24}{2}[/tex]
[tex]-\frac{3}{2}[/tex]
