Can someone please help me with this?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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.

Use sigma notation to represent the following series for 9 terms.