Marcus had 824 marbles and put them equally into 5 bags. How many marbles will be remaining after placing 164 marbles in each bag?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Which of the following expressions is equal to 2x^2+8

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.