Which of the following represents an equation of the line that is the
perpendicular bisector of the
segment whose endpoints are (-2, 4)
and (8,4)?

Did the universe cool off or get hotter as it expanded after the 'big bang"?

The difference between the observed value and the mean of the set of values is a

A(t)=(t−k)(t−3)(t−6)(t+3) is a polynomial function of tt, where kk is a constant. given that a(2)=0a(2)=0, what is the absolute value of the product of the zeros of aa?