Answer:
-1
Step-by-step explanation:
g(-1) = -5/-1 = 5
g(5) = -5/5
g(g(-1)) = -1
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:

Step-by-step explanation:
The equation of a circle is:
where ( h, k ) is the center and r is the radius. Therefore, the equation in this instance is
.
Answer:
-19.8
Step-by-step explanation: