What represents a solution, 8p-5=13-p, please tell me what you think, either 2 or 9!?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

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

Convert 3,200,000 to a scientific notation.