You and your friend went shopping. You bought 3 shirts and 4 sweaters for $69. Your friend bought 6 shirts and 2 sweaters for $66. How much does one shirt
and one sweater cost each?

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.