Let
S------> The sum of the measures of the interior angles of a polygon
n-------> number of sides of a polygon
we know that
The formula to find the sum of the measures of the interior angles of a polygon is equal to
°
in this problem
°
Solve for n

therefore
the answer is

Addition or Subtraction
Addition or Subtraction
Multiplication or Division
Multiplication or Division
all of order. I'll have to confirm this though
Answer:

Step-by-step explanation:
I think this question is a bit hard to explain by typing, so I'll add an image down below.
I used long division for this question, and the final answer is: 
Answer:
Sams club.
Village market is 5 cans for $3.00 multiply this by 2 which would be 10 cans for $6.00
Sams club is $5.90 for 10 cans. Which would be 10 cents better then the village market.