What is the general form of the equation for the given circle?

a. x2 + y2 − 8x − 8y + 23 = 0

b. x2 + y2 − 8x − 8y + 32 = 0

c. x2 + y2 − 4x − 4y + 23 = 0

d. x2 + y2 + 4x + 4y + 9 = 0

The graph shown below expresses a radical function that can be written in the form f(x)=a(x+k)1/n+c what does the graph tell you about the value of n in this function

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%

In a column proof the right column states your reasons