Find the magnitude of the vector from the origin to (-7, -5) and write the vector as the sum of unit vectors.

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’?