Answer:

Step-by-step explanation:
Given in the question an expression,

Step 1
Apply exponential "product rule"





Step 2
Apply exponential " divide rule"




Step-by-step explanation:
2;6 -> 6; -2
4;4 -> 4 ; -4
6;8 -> 8; -6
sorry English isn't my first language so I can't explain it :((
64/4 is 16 if that's what you meant.
Answer:
it Is a variable..............
Answer:
A
Step-by-step explanation:
The ratio is 1:5 so you're looking for the one that is not 1:5. A is 1:3