Consider the following matrix in reduced row echelon form: What can you say about the solution to the associated linear system?

Which transformations could have occurred to map △abc to △a"b"c"? a rotation and a reflection a translation and a dilation a reflection and a dilation a dilation and a rotation

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Can someone me out here number 4 plz