Answer:
7.5
Step-by-step explanation:
gradient=(y1-y2)/(X1-x2)
Answer:
21 hours
Step-by-step explanation:
You and your friend swam for 10 hours then took a break then swam for 11 so 10+11=21 so you and your friend swam for 21 hours all together.
Answer:
it might be 390
Step-by-step explanation:
hope this helps
The answer is >>> 4 989 600