BEST AWNSER GETS BRAIN THING also please awnser my other questions. I will also give thing

What is the size of the matrix resulting from

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

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.