A box contains 2 red discs and 3 Blue discs. A disk is drawn at random, its color noted, and it is then returned it to the box. This is repeated. What is the probability of choosing a pair of the same color?

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

What properties allow transformation to be used as a problem solving tool

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.