Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
Part 1) we have
----> equation A
----> equation B
substitute equation B in equation A

Applying property of exponents



therefore

Part 2) we have
----> equation A
----> equation B
substitute equation B in equation A

Applying property of exponents



simplify

therefore

If you put 5 which means its 2 1/2 ( I think) Because two 1/2 makes one.
6+4• (5-7)^2
(5-7)^2
-2^2
4
6+4+4
=14
Answer:
B.
Step-by-step explanation:
A/B × D/C = A/B × D/C because when we divide a fractional number we need to turn the second expression upside down .
Answer:
The answer should be 9 1/5 i am sorry if i am incorrect, im praying for u rn lol
Step-by-step explanation: