Whoever answers the question first and right will get

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Two lines parallel to a third line are parallel to each other. always sometimes or never

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?