Dentify and extend the pattern to find the next number in this sequence: 3, 12, 48, 192, a. 336 b. 768 c. 201 d. 228

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

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

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%