Answer:
[tex] \boxed{ \bold{ \sf{ \huge{ \boxed{ a = - 36}}}}}[/tex]
Step-by-step explanation:
[tex] \sf{ \frac{a}{9} = - 4}[/tex]
Apply cross product property
⇒[tex] \sf{a = - 4 \times 9}[/tex]
Multiply the numbers
⇒[tex] \sf{a = - 36}[/tex]
Hope I helped!
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