Which statement are true about quadrilaterals

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

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

Can you me find the missing length. i attached an image.