Alberto has 92 stamps in one large album and 38 stamps in another small ablum. how can he use mental math to find how many more stamps are in the large album.

Answer this question! 30 points and brainliest!

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%

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =