In a song competition, a participant has to score a total of at least 20 points in the first four rounds combined to move on to the fifth and final round. curtis scored 2 points in the first round. he then went on to score additional points in the second, third, and fourth rounds. in each of those rounds, his score was identical. which inequality best shows the number of points, p, that curtis scored in each of the second, third, and fourth rounds if he earned a place in the finals?

And explain how you got it so i can understand future problems : 3

The deck that kenneth is building is in the shape of a parallelogram abcd the measure of angle c is one third the measure of angle b find the measure of each angle of the deck

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.