Paolo paid $28 for a hat that was originally priced at $35. by what percent was the hat discounted?

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Find the amplitude of a sinusoidal function that models this temperature variation