It is always fun to fly kites but have you ever thought about how high your kite is from the ground? Use a trig ratio to determine the approximate height from the ground a kite is when 150 feet of string has been released and the angle of elevation is 47º?

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

How can constraints be used to model a real-world situation?