There are 20 counters in a box. 6 of the counters are red.
5 of the counters are green.
The rest of the counters are blue.
Lethna takes at random one of the counters from the box.
Find the probability that she takes a counter thay is not green.

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Me because some of question i don’t understand

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle