if it were me I would start by inputting 3 into the equation and then trying to simplify it



18 people x 18 walls = 324 minutes
Yes that is the answer 19
Answer:
Solve the inequality as though it were an equation. The real solutions to the equation become boundary points for the solution to the inequality. Make the boundary points solid circles if the original inequality includes equality; otherwise, make the boundary points open circles.
Step-by-step explanation: