Cis the midpoint of segment ab, d is the midpoint of segment ac, e is the midpoint of segment ad, f is the midpoint of segment ed, g is the midpoint of segment ef, and h is the midpoint of segment db. if dc= 40, what is gh

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%

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?