Elena finds it very difficult to remember a long string of numbers, so she tries to memorize three numbers at a time. later, she is able to repeat the numbers correctly because she grouped the numbers into more manageable groups of three. this is an example of

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

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%

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.