7 and 20 are relatively prime (no common factor)
I don't think that anybody in Elementary School would Understand this you might want to post this question in the High School section.
Hope it gets answered :)
Answer:
In order of pictures,
Picture #1: 230
Picture #2: 140
Picture #3: 9.9
Picture #4: 13.5
Picture #5: 7.07
Step-by-step explanation:
I am not entirely sure that 3 - 5 are correct, but I know that 1 and 2 are correct. I am sorry if they are incorrect.
Hope that this helps!
6 because it is the correct answer
My guess is SAS, it’s definitely not a or d