7 years
First of all, half of 18 is 9, and if you divide 18 by 2.5, it results in 7.2. I hope this helps!
You need to find the slope
251-248. 3
------------- = --------
2005-1965. 40
Each piece will be 6 inches, and there will be 7 I believe.
Ball=sphere
Vsphere=pir^3
d/2=r
d=9
9/2=4.5=r
V=pi4.5^3
V=pi91.125
aprox pi=3.141592
V=286.227
round
V=286 in^3
Evaluation of square root 169 = 13, so 10 + 13 = 23
