Use Venn diagram notations to describe the shading of

Really need on these. i have no idea what to do

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

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.