Please solve
2( − 3 + 4) − 3(2 − + 7)
−3'3('2 − 4 + 5)
( − 4)( + 4) − ( + 3)'2

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

Ms.lopez has 4 liters of chemicals that she is going to pour into beakers. each beaker will have 1/4 of a liter of chemicals, how many beakers can ms.lopez fill? draw a model to support your work. (it's ok if you dont)

Which method would you use to prove that the two triangles are congruent?