what is the volume of a sphere with a radius of 4cm ?

use 3.14 for pi. round to the nearest hundredth.

50.24 cm*3
66.99 cm*3
200.96 cm*3
267.95 cm*3

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Solve the formula ax+ by = c for x.