Answer:
31
Step-by-step explanation:
you are going to add, first your going to add all the numbers your going to start from the largest to the smallest number and that's how you would find your perimeter
Answer:
1.91/9
Step-by-step explanation:
x=0.212121212........ .........1 equation
10x=2.12121212......... ........2 equation
1 equation - 2 equation
9x=1.91
x=1.91/9
therefore 0.212121.....=1.91/9
Answer:
to estimate the sum you round to the closest number like 38 is closest to 40 so you just say you total is $40.00
difference is when say you have 30 dollars and you spend 10 the difference is 10 dollars
The answer is: - 11x^2 - 7x + 6