if a right circular r cone interscts a plane that runs parallel to the edge of the cone the resulting curve will be an ___

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

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.