How do i write the quotient of k decreased by 4 and 9

Factor the polynomial 8y^2 - 72 btw "^" means exponent

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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