Answer:
the first and third are equivalent
Answer:
All you need to do is substitute.

-3 + 36/9
-3 + 4
= 1
Since 1/10=10^-1, and multiplying exponents with the same base just adds the actual exponents at the top, x=2
I thinks it’s c but cover your name so people don’t see it
Answer:
2/21
Step-by-step explanation:
you square 4/7 to get 16/49 then use keep change flip
you now have 16/49 times 7/24 then multiply