21 is a composite number and the closest number to 20
Answer:

Step-by-step explanation:
The point-slope form of an equation of a line:

m - slope
(x₁, y₁) - point
We have
slope 
point 
Substitute:

Convert to the slope-intercept form (y = mx + b):
<em>add 1/3 to both sides</em>

The correct answer is C:$76.05. Tim would make 135.42 in three months and the total (221.47) minus 135.42 equals 76.05.
Volume of a cube: V = s^3, where s is the length of the edge.
So, the sum of them will be 1^3 + 2^3 = 9