There are 15 black marbles and 11 blue marbles. What is the ratio of black marbles to blue marbles?

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. 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.

Sum of the interior angles of a pentagon

What is the sum of the first 8 terms of the geometric series