(-8)+(-6.9) PLSS HELPP MEEE

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

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle