Answer:
12p x (15 x 25) I might not be correct :')
Answer: I would say no but I could be wrong but I can say a right triangle =90° tell me if you want a better explanation
Step-by-step explanation:
Since they are moving in opposite directions, this is the same as Amy staying still and Erica biking at 10 meters per second away from her.
To travel 1km = 1000m at 10 meters per second, you need 1000/10 = 100 seconds.