Answer:
C
Step-by-step explanation:
Answer: 
<u>Step-by-step explanation:</u>

There are 540 degrees total in the interior angles of a regular pentagon.
Just so you know, the total degrees of interior angles goes up by 180 degrees.
A triangle is 180 degrees, a quadrilateral 360, and a pentagon 540.
Answer:
translate the equation mat at right into an equation. remember that the duble line represent equals
Step-by-step explanation:
change,c = 20 - p
so in Excel for example
put 20 in column a
put 11.59, 17.50 etc in column b
in column c put the equation '=20 - b1'