Does the following table show a proportional relationship between the variables x and y?

What values of data might affect the statistical measures of spread and center

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

State one method by which you can recognize a perfect square trinomial.