How can you be sure you’ve used the properties of operations correctly to form an expression that is equivalent to the original one?

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

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Which of the following is the maximum value of the equation y=-x^2+2x+5 a. 5 b. 6 c. 2. d. 1