Can anyone help me with those 2 at the bottom please I appreciate it

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days