70 thousand considered standard form or written form

Empty box + box + empty box fill in the box is equal to 30 how

Which expression gives you the distance between the points (5,1)and(9,-6)

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. what distance from city a is the point where the truck and the car will meet?