It is 80 kilometer per hour
Answer:
a) n = 4(n-1)+1
b) 397
c) 19900
Step-by-step explanation:
I'm really not that sure too. Maybe it exists. I'm still learning calculus.
Answer:
60º
Step-by-step explanation:
The interior angles of a triangle equals 180º. And 60+60+60=180, that is your answer.