PLEASE HELP Which sequence of transformations on preimage ∆ABC will NOT produce the image ∆A'B'C'?

A.
reflection across the line y = x
B.
reflection across the x-axis followed by a reflection across the y-axis
C.
rotation 180° clockwise about the origin followed by a reflection across the line y = -x
D.
reflection across the y-axis followed by a rotation 90° clockwise about the origin
E.
reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience. b. report the adverse drug experience to the irb only if there are several other occurrences. c. report the adverse drug experience as part of the continuing review report. d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.

When was virginia conflict of interest and ethics advisory council created?

How has naturalization made an impact or change in society, government, and the political process?