Solve using sublimation

y=8x+13
-4x-5y=23

3(10x-y)-5(x-y^2) need this solved asap

Which value is not a solution of 8x^3 – 1 = 0

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