Four less than the product of one and a number x what should my expression be for that problem above?

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

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