The answer will have to be 4) a+b=3b so this is because a+b hads to equal something like a=1 ans b=2 then you will have a+b and you will always end up with 3ab or 3b
The mode of any data set is the number that appears most often.
In this case, no number appears more often than another.
In this data set, there is no mode.
They go up down up ya up down u know
Here's the order:
2.009,2.09,2.19,2.9,2.901
(what i think)
The answer is D, 14 percent