Find the volume for a sphere with a radius of 7 cm. round to the nearest whole number a.)307cm^3 b.)1,436 cm^3 c.)1,020cm^3 d.)615cm^3 find the radius of a sphere with a surface area of 804 cm^2 a.) 9cm b.)8cm c.)64cm d.)204cm

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.