Jorge earned a 75% on his History test where the class mean was 70% with a standard deviation of 5.2. He also earned a 82% on Math test where the class average is 84% with a standard deviation of 2.7.
Find the Z-scores for each of Jorge's tests. In which class did he do better relative to his peers? How do you know?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

The solution set for 5v2 – 125 = 0 is

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?