Jack and his partner went to a party where four other couples were present. Every person shook hands with everyone else (other than their own partner). When the handshaking was over, Jack wanted to know how many handshakes took place. When he asked around, Jack got nine different answers. How many handshakes took place?
(Please help asap this is so hard )

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.

(x-5)1/2+5=2 what is a possible solution?