people with type o-negative blood are universal donors. that is, any patient can receive a transfusion of o-negative blood. only 7.2% of the american population has o-negative blood. if 10 people appear at random to give blood, what is the probability that at least 1 of them is a universal donor?

How to determine whether two known pairs of points are on the same line.

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]