Answer:
C
Step-by-step explanation:
Add the like terms, the a's by themselves and b's by themselves.
8a+5a=13a
6b+2b=8b
so 13a+8b
C
The slope of the lines passing through given points is
.
Step-by-step explanation:
Given,
The given two points are (6,6) and (-6,1).
To find the slope of the line passing through the points.
Formula
The slope of the line passing through (
) and (
) is 
Now,
Putting,
we get,
Slope =
=
= 
Hence,
The slope of the lines passing through given points is
.
Answer:
20/4
Step-by-step explanation:
Because that would mean 20 divided by 4 which wouldn't accumulate to 80
11. D. Square Pyramid
12. A. Cube
If the other one is half of the building is 280 the answer would be 280