You need to create a hole 30.9 inches deep for a post that is in the shape of a cylinder with a radius of 7.2 inches. You will be using a drill bit that rotates around a vertical axis, positioned such that the axis is attached to the side of a rotating polygon. What characteristics should the drill bit have to create the desired shape?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas