Given that AA'B'C'is the image of AABC, after a dilation centered at the origin, which of the following is not a valid method to determine the scale
factor of the dilation?
Divide the area of AA'B'C' by the area of AABC
Divide the perimeter of AA'B'C' by the perimeter of AABO
Divide the x coordinate of Al by the x coordinate of A.
Divide the y coordinate of C' by the y coordinate of c.

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.