Answer:

Step-by-step explanation:
Answer:
0.4
Step-by-step explanation:

<span>Y=-2x+1, y=-2/3x+5
X= -3 and Y =7</span>
We are given with an 18 student class that is working a project worked by pairs. Each pair works on a project. In this case, there are 9 teams of 2 individuals working on a single project. Hence for a year or school year, there are 9 projects accomplished each time.