Students in a Spanish club visited several countries over summer vacation. Eleven traveled to Spain, while 19 visited Costa Rica and 24 traveled to Mexico. Five students visited Costa Rica and Spain while 6 students traveled
to Costa Rica and Mexico. Eight students went to both Spain and Mexico, and 4 students went to all three
countries. If there were 47 students in the Spanish club, how many didn't go to any of the three countries?

Given abcd ac=38 and ae=3x+4 find the value of x

Select the two pairs of figures that are similar.

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.