Answer: Tracking is the practice of putting students into specific curriculum groups based on their test scores and other factors.
It is rounded to the nearest tens. You can only round when you have 1,9. Hope I helped
Answer:

Step-by-step explanation:
Since there are a total of 4 colors, and there are 5 of each colors, the total marbles in the bad would be;
5 x 4 = 20
If a color is selected at random the probability would be

our part is 5
our whole is 20
so the probability would be;
or
when reduced
Hope this helps!
Answer:
31.4
Step-by-step explanation:
C = 2πr OR C = πd
But, we need to find r first.

4 x 3 = 12
12 would be the answer