Take 2 hours out of your day to look over notes/ work on problems, tutoring also helps. Put yourself in a room that's silent thay way no distractions also make sure you take 5 minutes breaks so your brain doesn't overheat
Answer:
Step-by-step explanation:
|4r−12| = -(4r-12) when 4r-12< 0
4r< 12 so r<3