Margo can purchase tile at a store for $0.89 per tile and rent a tile saw for $21. At another store she can borrow the tile saw for free if she buys tiles there for $1.19 per tile. How many tiles must she buy for the cost to be the same at both stores?

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

What is the value of p in the equation y^ = -4x?

Change negative exponents to positive. then solve. round to four decimal places