Answer:
B and C
Step-by-step explanation:
Not A because the side lengths aren't multiples.
Not D because it would be congruent, unless it had different angles, but then similar shaps must have the same angles
Good luck <3
5/8
→ Work out how many red
8 - ( 2 + 1 + 2 ) = 3
→ Add up red and purple
3 + 2 = 5
→ Divide over total number of beads
C)12
-10 to 2 is 12 units away right?