Which of these is a correct step in constructing congruent angles? Use a straightedge and draw an arc across the first arc from a leg of the given angle.

Use a straightedge to measure the width between the points where the first arc cuts both legs of the given angle.

Use a compass and draw an arc across both the legs of the given angle.

Use a compass and join points to make the new leg of the congruent angle.

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.