One half u subtracted from 3 times u

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

What are the sotions to the quadratic equation 9x^2=4

Find cot x if sin x cot x csc x = √2