Nicolas wants to pave the rectangular patio of his new house. The patio is 5.25 m long and 3 m wide and he needs 81 tiles per square meter. How many tiles does Nicolas need to pave the entire patio? Why​

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