The scores on a test are normally distributed with a mean of 70 and a standard deviation of 14. Find the score that is two and one half standard deviations below the mean

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)