NEED DONE ASAP 20 PTS x(x-4)=7

AND

x^2+2x+2=0

solve these two problems by completing the square and show all work please!

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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

|y + 2| > 6 {y|y < -8 or y > 4} {y|y < -6 or y > 6} {y|y < -4 or y > 4}