The length s(t)s(t)s, (, t, )of the side of the base of a square prism is decreasing at a rate of 777 kilometers per minute and the height h(t)h(t)h, (, t, )of the prism is increasing at a rate of 101010 kilometers per minute. At a certain instant t_0t 0 t, start subscript, 0, end subscript, the base's side is 444 kilometers and the height is 999 kilometers. What is the rate of change of the surface area A(t)A(t)A, (, t, )of the prism at that instant?

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.