Mary likes to collect coins. Mary got 24 coins from her brother, 16 coins from her mother as well as 37 coins from Joan. However, Mary lost 23 coins before putting those coins into her piggy bank. How
many coins does Mary have in her piggy bank?

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

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%

What rotation was applied to triangle def to create d’e’f’?