After 20 minute's angel had completed 33 questions which is 0.6 of his assignment. what percent of the assignment had angel not completed?

What is 20+(5 x 2/5 )+ 3 show your 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%

Ofin . (2,4) (2,1) a. y= 2 b. x= 2 c. x= -2 d. y= 2x