Jimmy has 27 trading cards. he puts an equal number of cards on 3 album pages. how many cards did jimmy put on each page?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

What expression is equivalent to 42x-56y

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%