Help please lol it’s a math equation and I’m kind of confused:(

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places