Someone ! [ 20 points] serious answers

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio