I need help. A department store buys 500 shirts at a cost of $3 comma 500 and sells them at a selling price of $10 each. Find the percent markup.

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

The two-way relative frequency table shows the relative frequencies of late-night workers and day workers who do or do not drink coffee. what percent of late-night workers do not drink coffee? enter your answer in the box as a percentage. work late-night jobs work day jobs drink coffee 0.733 0.455 do not drink coffee 0.267 0.545

The function f(x) = 2 • 5x can be used to represent the curve through the points (1, 10), (2, 50), and (3, 250). what is the multiplicative rate of change of the function?