The answer depends on what type of division it is. Synthetic?
You can honestly find it your self your probably failing your class
Answer:
1. Sides 1 and 2 are congruent so sides 3 are also congruent
2. Since angles D and R are the same and the two sides are the same, the triangles are the same
You had $9.28 prior to making the withdrawal
-$20.51 = x - $29.79
x = $9.28