Susan is installing junction boxes in a living room wall which is 12 feet long. she has to install two boxes evenly spaced on the wall with the center point of the wall centered between the boxes (as if all arrows are equal in the picture below). the junction boxes are 4 11/16 inches wide. how much wall space will be between the two boxes? (answer should be a mixed number, not a decimal.)

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.