I someone’s help ASAP!

Answer:
[tex] \frac{1}{10 }[/tex]
Explanation:
Add a one under the 9 to make it a fraction:
[tex] \frac{9}{10} \div \frac{9}{1} [/tex]
Do the reciprocal and change to a multiplication problem:
[tex] \frac{9}{10} \times \frac{1}{9} [/tex]
Simplify:
[tex] = \frac{9}{90} [/tex]
Reduce:
[tex] = \frac{1}{10} [/tex]
Hope this helps : )