NEED ASAP! a computer store buys a computer system at a cost of $436.80. The selling price was first at $728, but then the store advertised a 20% markdown on the system. Find the current sale price. The sale price is $582.40. (Round to the nearest cent as needed.) Members of the store's loyalty club get an additional 20% off their computer purchases. How much do club members pay for the computer with their discount?

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

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.