BEST GETS BRAINLIEST JUST NEED CONFIRMATION TAHT I GOT IT RIGHT ANY HELP IS APPRECIATED

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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.