Complete the equation: 77x – 49 = 7 ( ) A. 11x + 7
B. 11x – 7
C. 70x – 42
D. 539x – 343

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

The difference between tax advoidance and tax evasion

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%