Perpendicular lines make 90 degrees, and 90 degrees makes perpendicular lines True or False

Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5

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

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?