Find the basis for the set of vectors in r2 on the line y =5

What is the best reason for jacinta to have a savings account in addition to a checking account

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?

Can some one explain this i got sent this. is this a threat i’m scared