Answer:

Step-by-step explanation:
Hi there!
Equation of a circle:
where the circle is centered at (h,k) and the radius is r
<u>1) Plug in the given center (7,0)</u>

<u>2) Plug in the radius (1)</u>

I hope this helps!
Answer:
o.4464287142 or 0.4
Step-by-step explanation:
The tree is 5/8 meters tall and that's in 1 2/5 years so you would divide them and you get .4464287142