Triangle PQR has vertices P(2, 1), F(2, 5), and G(4, 1). Find the coordinates of the image of point P after a reflection across the x-axis.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

How do i do this activity, is appreciated

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.