The answer is:A = 231e^(.0010776*12) = 234 million in 2003
k=(In(233/231))/(8)
<span>k=1.00865/8 <===== you used the ratio of 233/321, not the natural log of the ratio. </span>
<span>233/231 = 1.00865 </span>
<span>ln(233/231) = ln(1.00865) = 0.0086207 </span>
<span>k = 0.0086207/8 = 0.0010776 </span>
A scalene triangle is formed from the three points.
Linear is of the form ax+by=c
First = $ 54
Another postage = $ 22
So the cost is = ($ 54 x 1) + ($ 22 x 9)
Cost = $ 54 + $ 198 = $ 252
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