The point (0, 5) lies on a circle with the center at (0, 0). What is the area of the circle?

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%

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

The suare root of 9x plus 7 plus the square rot of 2x equall to 7