What number is 72% of 200

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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?

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6