guys,help please with geometry if u can)
1. In triangle ABC, angle A is 30, angle B is 45, AC=9 Find BC.

2. Sides AB and AC of triangle ABC are 6 and 10 respectively, angle BAC is 120 Find the length of side BC.

3. In the triangle ABC BC35, AC13, AB43. Find the angle C. Give the answer in degrees.​
maybe give me answers to two of them, don't really care,just try please.