Light travels at 3.0 x 108 km/s. how far does light travel in 5 minutes?

Two parallel lines are crossed by a transversal.what is value of x

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.