Amy Work, a 9-12 certified teacher in NC works through the 2014 released test for Math II.
This is the video for problems #10-14
Video for #1-4: https://www.youtube.com/watch?v=SO6wXPQ8DUk
Video for #5-9: https://www.youtube.com/watch?v=YmXK505z-oI
Video for #15-18: http://youtu.be/LNyHhfRSzCA
Find the released test here: http://www.dpi.state.nc.us/docs/accountability/common-exams/released-items/highschoolitems/math2release14.pdf