The show has a large display board where visitors are encouraged to pin up their pictures during an even, it measures: 3.6 m
1.8 m

How many 6 cm by 6 cm pictures could fit on the wall?​

The image of abc is a'b'c. what transformations would result in this image? abc is reflected over the line x = 1, then is rotated -90° around the origin. abc is reflected over the line y = x - 1, then t: (x, y) → (x - 1, y - 1). abc is rotated 90° around the origin, then is reflected over the y-axis. abc is rotated -90° around the origin, then is reflected over the line y = -1.