Hello!
You have to add how many trials he did
41 + 19 + 28 + 12 = 100
Now you look for the box that has 6 and tails
It has a 12 in it
You do 12/100
This can be reduced to 3/25
The answer is A
Hope this helps!
For a regular polygon, it is number of sides times the length of one side.
If you know the polygon's area and apothem, then the perimeter formula is:
Perimeter = Area / (Apothem/2)
(85/86)*688 cg = 680 cg . . . inert ingredient
.. 688 cg -680 cg = 8 cg . . . .active ingredient
Answer: .84
Step-by-step explanation: