Quadrilateral A'B'C'D' is a reflection of quadrilateral ABCD across the line AB. Select the statement that proves that line segment AB is the angle bisector of angle D'AD.

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

What’s the volume of the triangular prism?