(1 point) Consider the series
∑n=n0 ->∞ an = (x−9)^2 + (x−9)^4 / 2⋅2! + (x−9)^6 / 4⋅3! + (x−9)^8 / 8⋅4! + ⋯

(a) Find an expression for an.
(b) In the summation formula, n starts at n=n0. What is your starting index n0?

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?