There are 18 students in Mr. Alvarez's art class. Throughout the year, every student must pair up with every other student to complete a project. How many projects will be finished?
A. 149 projects
B. 153 projects
C. 171 projects
D. 135 projects
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Home » Mathematics » There are 18 students in Mr. Alvarez's art class. Throughout the year, every student must pair up with every other student to complete a project. How many projects will be finished? A. 149 projects B. 153 projects C. 171 projects D. 135 projects