Through wich point angle of rotation does the image of a regular pentagon coincide with its preimage

Julia measured the high temperature in her town for one week. using the chart above, find the mean absolute deviation for the high temperatures. round your answer to the nearest tenth. be sure to show your work for finding: the mean of the set of data the distance of each number from the mean the mean absolute deviation

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x