@jac376 said:
Flaw: The correlation of Ra, C, and (C --> Rh) does not mean there is a causation from C to Ra. The answer which strengthens this argument will show that (Rh --> Ra) (C causes Ra because it causes Rh which causes Ra) or directly ...
@"Ron Swanson" i think a happy medium would be to do PT75 as an untimed BR. This way you can acquaint yourself with any last minute peculiarities but without the pressure of it being the LAST practice test you're gonna take.