The summation of 1 to infinity of n - 2 is which of the following series? -2, -4, -6, -8, . .-2, -1, 0, 1, . .-1, 0, 1, 2, . .

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.

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.

Which statements are true about additional information for proving that the triangles are congruent check all that apply