What value must be added to the equation in order to complete the square in the quadratic equation ^2 − 24 = 52

5(-9w) put expression in distributive property

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

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%