Answer: 
Step-by-step explanation:
Using the values
and
, the slope is
.
So, the equation is:

You can divide it and get 2.2
Answer:
4.5 is a rational number, as it can be represented as 9/2. Many important numbers in mathematics, however, are irrational, and cannot be written as ratios.
He will have more than enough because he only needs to cover 84.1425 square feet.
Answer:
C
Step-by-step explanation:
Because you should be subtract each other by 20x to transfer from side to another side.