P(x)=-(x+3)(x-1) what is the vertex

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Ihave trouble finding the nth term of a linear sequence

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.