A set of biology exam scores are normally distributed with a mean of 60 points and a standard deviation of 6 points. Antoaneta got a score of 51 points on the exam. What proportion of exam scores are higher than Antoaneta's score?

Is it greater than or less than7*3_9*2

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

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