If tan (theta) =5/4 and cos (theta) < 0 . find the other trig. functions.
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Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

The area of square garden is 300m squared. how long is the diagonal?