I will give you brainliest

How many different ways can you make change for $.50 using only nickels, dimes, and quarters?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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