The new business building uptown is building a wall made entirely of glass pyramids. each pyramid will have a square base with length of 8 inches and height of 10 inches. if the wall requires 250 of these pyramids, what volume of glass will be used? round to the nearest cubic inch

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Sum is 17 and their difference is 3

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.