How can 3 people share a 5 segment chewy fruit worm evenly?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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

If g(x) is an odd function, which function must be an even function?