A product goes from $25 to $27 in price. The product has a percent increase of .

8%
7.4%
80%
74%
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The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

How can you tell when x and y are not directly proportional?