Answer:
communicative, you can remember this by saying (the rule for the communicative property, is as easy as can be, just remember a+b is the same as b+a )
I think that the answer would be two triangles.
Yes,because that is $3.03 higher than what he is receving right now so that will be an accelent option:)
The average is 2. To find the average you add all the numbers then divide the sum by the total amount of numbers.
Just divide 3.5 with 100 so it would be 0.035
