You and your friend each start a car-washing service. you spend $25 $ 25 on supplies and charge $10 $ 10 per car. your friend spends $55 $ 55 on supplies and charges $13 $ 13 per car. how many cars do you have to wash to earn the same amount of money as your friend?

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions