A circular sheet covers 425cm on the table, find the area of the sheet. solve this question plz.​

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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.

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet