Simplify: -x - 10.25(16 - 4)

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

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The reflexive property of congruence lets you say that ∠pqr ≅