Please help, thank you!

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?