Use the discriminant to describe the roots of each equation. then select the best description. x2 - 6x + 12 = 0

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

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?