1025ft above Sea Level is John
25ft below Sea Level is his Brother
1025ft + 25ft = 1050ft
Thats the difference in altitude
Answer:
2
Step-by-step explanation:
GCF stands for the "greatest common factor." Therefore because 2 can go into both 2 and 4 evenly, it is the GCF.
Sorry I don't know but i bet more can exolain.