Triangle bac was dilated from triangle bde at a scale factor of 2. what proportion proves that sin∠d = sin∠a?

Can someone me with my hwplz(only the circled ones)

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3