Which statement compares the two numbers correctly? 6 + 0.4 + 0.009 6 + 0.07 + 0.009

A) 6 + 0.07 + 0.009 > 6 + 0.4 + 0.009
B) 6 + 0.07 + 0.009 = 6 + 0.4 + 0.009
C) 6 + 0.4 + 0.009 > 6 + 0.07 + 0.009
D) 6 + 0.4 + 0.009 < 6 + 0.07 + 0.009

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%

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.