The table below shows the delivery time for Nathan to deliver pizzas. Estimate the total delivery time for each group.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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?

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school