If you think about it, an octagon is made up of 8 triangles. So you first find the area of one triangle then multiply it by 8 for the total area:
A=1/2bh
A=1/2(9.9)(12)
A=59.4
59.4 x 8= 475.2
Therefore the total area for the octagon should be 475.2 units^2
Hope this helps !
Answer:
B and D
Step-by-step explanation:
Take a look at all the options x=4, 3, 1, 2 > 0
So, we just care about the domain where x>0, which is 
.
Then plug in x we will have the right answer.
Answer:
1/5
Step-by-step explanation:
The slope of a line at any given point is Rise/run
If I start at Point (0,2) and go to point (5,3)
I have to Rise 1 point up.
I go across, or run, 5.
1/5
See photo for complete solution
