Question

Please help fast if you answer both answers correctly I’ll give you double the points plus brain list only if you know please type

Answer 1

Answer:

GCF: 4

(that's the only one i know, sorry!)

Step-by-step explanation:

Answer 2

Answer:

4

Step-by-step explanation:

20: 1, 2, 4, 5, 10, 20

28: 1, 2, 4, 7, 14, 28

The GCF is 4 because that is the highest number that can divide both 20 and 28 evenly.