Answer:4.9
Step-by-step explanation:
Answer:
The center is (5, -4)
Radius 9
Step-by-step explanation:
![Raduis: \sqrt{81} =9\\](https://tex.z-dn.net/?f=Raduis%3A%20%5Csqrt%7B81%7D%20%3D9%5C%5C)
Center is just the opposite in the formula
6+(9-1)^2/4 = 22
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Answer:
12
Step-by-step explanation:
Since 20 is 2 x 10, you can multiply the value for 2 kilometers by 10 and get 12.