What is the area of a trapozoid with base 1= 23 and base 2=15 and the height is 8 1/2 ?

How do you solve a question like this?

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

What is the measure of one interior angle of a pentagon