the numbers 1 throught 8 are to place in the circle in the diagram showen such that the sum of the numbers on each side of the figure is 15. Find the values of x, y and, z.

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

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years