I need help to these answers asap! 20 points!

I Need Help To These Answers Asap 20 Points class=

Answer :

Answer:

Step-by-step explanation:

a is o.53 repeated

Answer:

it would be -3 for letter B.

Step-by-step explanation:

why okay reduce the number so it would be 9/4 ÷ 3/4 if that makes sense