The Empire State Building is 1,454 feet tall (if you include the lightning rod). If a piece of gum is dropped from the top, how many seconds will it take for the gum to hit the street assuming no air resistance?

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

100 points, hi, i’m not sure how to get the equation from the graph and table.

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%