PLEASE HELP ME WITH THIS. I REALLY NEED HELP

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air