Step-by-step explanation:
All you need is substarcting the angles
cbf=180-72
cbf=108°
dbe=180-90-72
dbe=18°
abd=90° -right angle.
abc=180-18-90
abc=72
If you know the coordinates of two points

of two points, the slope of the line passing through them is given by

So, if we choose in this example

The slope is

Answer:
791.28 in^2
Step-by-step explanation:
The volume of a cylinder is given by
V = pi r^2 h
The diameter is 12 so the radius is 1/2 d = 1/2(12) =6
V = 3.14 (6)^2 * 7
791.28 in^2
Answer:
Option.B
There is a negative correlation in the data set
Answer: I did this before and i this before i did b and got it correct
Step-by-step explanation: