The temperature was -12 degrees in the morning and rose to a high of 27 degrees for the day. what was the increase in temperature for the day? 12 degrees 15 degrees 27 degrees 39 degrees

Which formula gives the area of a triangle? a=1/2(b+h)

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.