Michelle owns a hair salon. She has 150 customers per month. On average, the price Michelle charges her customers is £20. The cost to Michelle of providing each hair cut is £4. Michelle
has other costs of £500 for things like advertising and rent,
HOW MUCH PROFIT DOES MICHELLE'S HAIR SALON MAKE IN 3 MONTHS?

The graph shown is the graph of which function?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

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