Graph and solve
x^2+y^2< =4

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

How can you find the mean absolute deviation (mad) for this set of data?