geometry
posted by mo needs help... .
1(3, 4) is reflected over the xaxis. What are the coordinates of the image?
A:(4, 3)
B:(3, 4)
C:(3, 4)
D:(3, 4)
2 A preimage and image are congruent in a transformation.
Always
Sometimes
Never
3An octagon has rotational symmetry. What is the angle of rotation?
A:30 degrees
B:45 degrees
C:60 degrees
D:90 degrees
4(5, 3) is reflected over the yaxis. What are the coordinates of the image?
A:(5, 3)
B:(5, 3)
C:(3, 5)
D:(5, 3)

can someone help me please?