If x + y = 12 and xy = 27, find the value of x^3+y^3

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m