Answer:
There is no slope. 
Step-by-step explanation:

(2, 2) and (4,2) makes a horizontal line. All horizontal lines on a graph have no slope.
Answer:
You have the formula wrong.
The volume of a cylinder = PI * radius^2 * height
To find the height, the formula is:
height = volume / (PI*radius^2)
I'm assuming the radius = .6 meters so
height = 720 / (3.14159265 * .6^2)
height = 720 / 1.130973354
height = 636.61977 meters
Tp check your answer use this calculator: https://www.1728.org/diam.htm
Step-by-step explanation:
16/80 = 1/5 = 0.2
Therefore, 0.2 x 100% = 20%.
Answer:
Option (b) is correct.
The sum of given expression
is 
Step-by-step explanation:
Given:Expression 
We have to find the sum of the given expression and choose the correct from the given options.
Consider the given expression
.
can be written as 
Also,
can be written as 
Now, the given expression becomes,

.
Now, adding like term, terms having same variable with same degree.
.
Thus, The sum of given expression
is 