Which measure of central tendency BEST represents the data shown in the distribution?

The question is in the attachment!

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that