What is the wavelength of light waves if their frequency is 5.0 x 1014 Hz and the speed of light is 3 x 108 m/s? 1014 is 10 to the power of 14

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%

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

Find the domain and range of the following function f(x) = 51x - 21+ 4