Szybko pomocy wykonaj mnożenie i zredukuj wyrazy podobne (x-4) (x-3) + (2-x) (x-1).

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

Yo need asap pls ! markin da brainiest too !

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