Evaluate the expression 9-3÷1/3+1
A. 9
B. 3
C. 1
D. 19

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%

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?

Witch sequence shows a pattern where each term is 1.5 times the previous term