Answer:
Perimeter = 2 ( l + w )
if u r given for rectangle thats the formula
Which ever graph looks like this
By dividing each general term by 3.
Example:
(3/3=1)
P(person has less than a high school education) = 0.12. This is directly from the table.
P(person has at least a bachelors degree: Hard to say for certain, because some of the data in your illustration was cut off.