Ummm i dont even believe thats a reasonable question theres no 20 cent coins
Answer:
pic one is rock cycle, pic 2 crystaline structure, and pic three and 4 are the same pictures as question 2
Step-by-step explanation:
Well, You have 4 students and 8 other students. If theres 8 people,
this means theres 8 combinations possible. This means you do 8x4 and you
get 32.
