- The sum of twice a number and nine is forty three Can you help me write this numerically.?

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What can go wrong with a spleen? Find the values of p for which the series is convergent. Sigma infinite on top and n=1 on bottom. n(1+n^2)^p? How and why did we evolve to have quick wit and humor? The function f is f(x)= (x+4)(x-a), the graph of f is a parabola , a is const. The x coord. is b/w 1 and 3, which is a?
A. -2
B. 1
C. 5
D. 9? Why does the body need internal systems why can't it be just a holographic projection of light?