Answer:
It’s b
Step-by-step explanation:
Answer:
-40. second option
Step-by-step explanation:
27 I think..... Oh darn I'm replying to my self
Answer:
1920
Step-by-step explanation:
Answer: 3/20
Step-by-step explanation: (1/7) :(20/21) = (1/7 )· 21/20 = 21/(7·20)= 3/20