What is the value of (8r+ 1/4)² when r = 2

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

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.