Use the explicit or recursive formulas for the geometric sequence 45, 135, 405, 1215, 3645, ... to find the sum of the first 9 terms of the sequence.

Which statements are true? see picture

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.