Which equation is equivalent to -k+0.3+10.1k=-24.5-18.1k?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

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%