The number of emails a friend receive each day during last 20 days is shown below. what number of days she receive 19 or fewer e-mails in a day?
a.7
b. 11
c. 12
d. 15

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters