3 The measure of angle ABC is 90°.
B
Janet dilates angle ABC from center B with a scale factor r = 3.
1
Cam dilates angle ABC from center B with a scale factor r =
2
What are the measures, in degrees, of Janet's and Cam's dilated angles?

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.