What is the perimeter of parallelogram ABCD?
11 cm
12 cm
18 cm
21 cm
Here is the link of the picture
https://aoa. sooschools. com/media/g_mat06_2016/8/img_triang le_parallelogram_a1.gif

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