Flipping two coins gives four possibilities: HH, HT, TH, TT
So P(TT)=1/4
So we'd expect a quarter of the trials to be two tails.

trials expected to be two tails.
A and c are correct I'm in k12 took it already
Yes.
473 + 161/4 = 634/4 = 158.5
use the quadrant system to find the area of the polygon shown
44 square units
54 square units
36 square units
52 square units
True 44 square units