Each letter of the word mississippi (including repeating letters) is written on a separate card, and the cards are placed on a table with the letters facing down. if you randomly pick a card, what is the likelihood that it will be either an s or a p?

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.