Alogical argument that is presented in graphical from using boxes and arrows is called a ? a. indirect proof b. two-column proof c. flowchart proof d. postulate

Me because some of question i don’t understand

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

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height