Yes, three is greater than -2
Can you forgot to add the picture...
7x4x100=2800
7x4x1000=28,000
<span>(7y2 + 6xy) – (–2xy + 3)
7y^2 + 6xy +2xy +3
7y^2 +8xy +3
8xy + 7y^2 +3</span>
As given by the question
There are given that the dot plots that show the ages of students.
Now,
As obtained from the dot plot:

Now,
The mean of the given data is:

So,

Then,

And,
The mode of the given data is:
The mode is defined for the most frequently occurring value
So,

Hence, the value of the mean is 12.8 and the mode is 13.