Does any1 know de wae? i need to know wat de wae is

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?

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi