Each group of three digits separated by commas in a multi digit number

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

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?