The answer is D. 5 hours, due to the fact that there football field together, so adding there times they had done the football field individually, Tiana,3 hours, and Jacob 2 hours 2h+3h=5hours. hope i helped.
Okay so you would subtract the 30 to get 210 then divide the 210 by 14 to get 15 so your inequality

your original inequality is 
Answer:
-5/4
Step-by-step explanation:
formula
y2-y1=x2-x1
0-5 over 2+2=-5/4