A ship captain is attempting to contact a deep sea diver. If the maximum range for communication is 60 meters, will he be able to communicate with the diver based on their current position

Which value of c would make he following expression completely factored? 8x+cy

Which of the following expressions is equal to 2x^2+8

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%