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.
The answer would be C, 150 televisions.
<span>6xi³(4xi+5)
= 24</span>x^2 i^4 + 30xi³
hope it helps
