Enlarge shape by scale factor 0.5 using p as the centre of enlargement,

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Me with this one question, and i'll upvote the brainliest answer