the school band is putting on a concert eight students signed up to play the trumpet 8 students signed up to play the flute and 8 students signed up to play the violin which circle graph could be used to display the data​

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

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%

Prove that quadrilateral is a rhombus.