How did you find jeff's distance for 3\4 hour?

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

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom