Amna has 50 points in her shopping card (AED 5 = 1 Point). She spends AED 85 a week for groceries, how many points will be there in her shopping card after 4 weeks.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

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%

Which of the following is the result of expanding