"they are going to have completed the project before the deadline" is an active sentence. true or false

May someone me answer these questions

How can you avoid the problem of groupthink? a. by choosing a group leader to direct the group b. by composing the team of only like-minded individuals c. by encouraging all members to voice their opinions d. by keeping quiet when you disagree with another group member's opinion

How might a reader find tables charts or graphs useful