1/4 x 1/4 x 1/4 = 1/64
There is a 1/64 chance that they will all be hearts.
I believe the answer is B: 3 + 7 + (-10).
Check the picture below.
now, an angle bisector I assume, since it intersects the opposite segment at D and then at E. An angle bisector cuts an angle in two equal halves, so if ∡CAB is 82°, that just means that ∡CAE is one of those halves, or 41°.
Answer:
(x,y) becomes (-y,x) so (3,2) would become (-2,3)