Terms are also expressions a some b all c no

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

Zack and tia played chess for 50 min they put the chessboard away at 11: 20 when did they start