Whats the square root of 81?

State if the two triangles are congruent. if they are, state how you know?

Explain why the factor 1.5 is broke. into two numbers in the model.

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