Two-thirds of the students in a class are wearing blue jeans. Two-sixths of the students who are wearing blue jeans are also wearing red shirts.
What fraction of the students in the class are wearing blue jeans and red
shirts?

Twelve less than a number is at most 20

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

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table