How much time has passed 4:33-8:12

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Need on this geometry question. explain how you did it.