Alin sa mga sumusunod ang tamang pakahulugan sa konsepto ng demand

Mr.jones wants to buy 6 tickets to play .each ticket cost $10. mr jones has $45 in his pocket how much more money does he need for 6 tikets

This is an ap world history question. i am working on a worksheet which has a vent diagram with each circle labeled either us or byzantine economy. the middle is the similarities. can someone explain to me the similarities and especially the differences between the two?

When must a driver yield to a pedestrian? a. only when the pedestrian is in the roadway b. only when the pedestrian is in a designated crosswalk c. only when the pedestrian has a walk signal d. always