Three ventilation fans, each working alone, can clear the smoke out of a room in 12 hours, 16 hours, and 24 hours respectively. How long would it...
Answer:
8
Step-by-step explanation:
The vertex is a minimum point. The y value of the vertex is the lowest point it hits. The graph is going down, the vertex is the lowest point of it
Answer: 
Step-by-step explanation:
Given :

add 2 to both sides

Therefore :


Answer:
length times hight times whith