Answer:
You can tell from the picture
Step-by-step explanation:
they intercept
C and B is proportional relationships , because the proportional relationships always start at zero and the line must be straight !
16/21 divided by 4/9 is equivalent to 16/21 x 9/4 = 144/84 which reduces to 12/7. So 12/7 is your answer.
B. You have to solve for X, and graph using whatever is less than or greater than. 4x + 12 < 4 to 4x < -8 to x < -2.