The score on a a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. if 85 students took the exam, and above 60 is a passing grade, how many students failed the exam?

What is the equation of the graph below? y=sec(x)-4

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?