C: 6 - 60 + 600 - ... + 6 000 000 d: 8 + 12 + 18 + ... as far as the 6th term e: 3 - 15 + 75 - ... as far as the 7th term f: 1 + 11 + 121 + ... as far as the 5th term

Asap! i'm not good math and i'm lost.

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.

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?