9.931 times 10 to the 5th power. write in standard form

What is x3+3x2−16x−48 divided by x−1?

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?

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5