Two trains, Train A and Train B, weigh a total of 149 tons. Train A is heavier than Train B. The difference of their weights is 77 tons. What is the weight of each train?

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis