Mean because the mean is an average. That gives an overall understanding of what the entire class did.
Answer:
4 mm
Step-by-step explanation:
The radius is half the diameter, so in this case the radius of each button is 4 mm.
There's no question there. You didn't attach the pic
it is 3 because if it has infinte solutions than it is = to 0 and 1 and infinite solutions
