Solve the expression using the order of operation: find the hypotenuse of a right triangle if the legs are 8cm and 5cm by using the pythagorean theorem: (leg^2 +leg^2=hypotenuse^2) round your answer to the nearest hundredth if necessary hypotenuse =. cm i got 89^2 but i don’t think i i did it correctly

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.