I have been on probation and on urinalysis for 6 months, so I have been clean from everything in 6 months, and last night I took 5 small bowl hits of some low grade marajuana and a 2mg xanax. How long does it take for the weed and xanax to get out of my system if I am 5'0 and weigh 100 lbs and haven't used in 6 months? Pleease help!!!