Eighteen people are in a room. What is the minimum number of handshakes to occur to guarantee that everyone has shaken everyone else's hand?

Find the complete factored form of the polynomial 40m^3n^2+45m^2n^6

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

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?