You need to paint a decorative garden ornament that is in the shape of pyramid with a square base that is 9 inches long and has a slant height of 12 inches.

a. A smaller pyramid has linear dimensions that are
times that of the larger pyramid. Does the
smaller pyramid require times the amount of paint? Explain.

b. Another pyramid has the same base lengths but the slant height. Does this pyramid require
the paint as the original pyramid? Explain.

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.