Answer:

Step-by-step explanation:
Here first open the inner parentheses and use the distributive property,

To simplify this, you would have to turn b^-2 into a positive exponent.
To do this, we have to flip b^-2, which would get rid of the negate from the exponent: -2
3a^4 b^-2 c^3 / b^-2
Then we get the answer:
3a^4 c^3
------------
b^-2
I have a picture to clarify!
I hope this helped, let me know if you don't understand! ^.^
Answer:
4 hours
Step-by-step explanation:
1+1=2
6-2=4
Answer:
Step-by-step explanation:
Parallel line examples in real life are railroad tracks, the edges of sidewalks, marking on the streets, zebra crossing on the roads, the surface of pineapple and strawberry fruit, staircase and railings, etc
Adding 4 to both side is wrong he has to be subtract 4 to both side