Carla and Jonah are working together to determine if quadrilateral CDEF with coordinates C(2, 3), D(1, 2), E(4, 1), and F(5, 3) has perpendicular sides.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?