A nurse measured a patient heart rate at different times in several days by making a dot plot shown below, describe the shape, center, and spread of the data.

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2