Answer:
14 square roots of 2 is correct
Step-by-step explanation:
Is there choices ? I got 0.216
ANSWER
The number of children between the ages of 9 and 15 who visited the park is

EXPLANATION
The number of children between the ages of 9 and 15 who visited the park are those within the age group 9 to 12 and 12 to 15.
We can from the graph that, the height of the bar that corresponds to the age group 9 to 12

and the height of the bar that corresponds to the age group 12 to 15

The sum of the two frequencies
Yes,you are correct.
The first van carries 8 people.
The second van carries 8 people.
The 3rd van carries the remaining 4 people.
8+8+4=20