Which picture shows a proper
reflection across the red dashed line?
А
B
lalu

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14