A bacteria in a petri dish triples in every 15 days. How many bacteria will there be after 50 days if the initial bacteria is 500? A. 19 470 bacteria? C. 12 332 bacteria?
B. 15 580 bacteria? D. 9 360 bacteria?

Which expression is equivalent to sq-80

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.

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.