In a package of 60 markers, the number of black markers is 3/7 of the other colour. Find the number of black markers in the package,

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

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

Which one is the correct answer, and why?