Answer:
3.6 hours
Step-by-step explanation:
Blake can do work in hours = 9
Blake can do a part of work in 1 hour = 
Ned can paint the same room in six hours.
Ned can do a part of work in 1 hour = 
They can do a part of work together in 1 hour = 
=
Now they can do
part of work in hour = 1
So, they can do whole work in hours = 
= 
Hence it will take 3.6 hours to paint the room if they work together.
Answer:
Your not dumb you probably just don't learn as fast as other people tell me what u need help on and ill try to explain it to u : )
Step-by-step explanation:
This is not a function because they use the same y axis.
Answer: 
Step-by-step explanation:
Adding 5 to both sides, we get <u>x > 3.</u>