Good stuff is giving away free pens to each of the first 200 people who came in the store today. in the first hour, they gave away 75% of the pens how many is this?

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

Need same math paper but the back now i hope your able to read it cleary i need with hw

What is the the greatest common factor ?