If the second term in a geometric sequence is 20 and the fourth term is 11.25, what is the common ratio

Fast phone couldn’t copy and paste so i decided to right it down

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1

Factor the polynomial. b^2 + 4b + 4