Please Help me on this

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625