The figure is made up of two shapes, a semicircle and a square. What is the exact perimeter of the figure?

4π+16 cm

2π+6 cm

4π+12 cm

2π+12 cm

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