How do you solve this 2 step equation: 8+b/-4=5

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

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