Can somebody give me the answer to this question please

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

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

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red