6. A motorist driving 60mph can go from point A to point B in two hours less than a train that averages
45 mph. How long did it take the motorist to get
there?

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?