2x + 3y = 0
X + 2y = -1
Is this one solution
No solution
Or infinite solution

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%

Alogical argument that is presented in graphical form using boxes and arrows is called?

Which of the following graphs could represent a quartic function?