Answer:
49Pi
Step-by-step explanation:
Area of a circle is = to pi(r)^2
Answer:
I think it's 3.5, but this information is super vague, so try to uhh scroll down to see if there's more information
Step-by-step explanation:
Answer:
k = -2
Step-by-step explanation:
If 
Then

So

From this follows k = -2
Log[8/(36*3)]
Log[2/27]
Hope I really help you !