1,2,3,4,6,8,12,24 are all of 24's factors
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
Answer:
The area of the circle is 153.86 u²
And the expression is
a = π * (7 u)²
Step-by-step explanation:
To solve this problem we need to use the area formula of a circle:
a = area
r = radius = 7 units
π = 3.14
a = π * r²
we replace with the known values
a = π * (7 u)²
a = 3.14 * 49 u²
a = 153.86 u²
The area of the circle is 153.86 u²
570/x = 60/100. 60% of the total amount of jigsaw puzzles is 570, we could use that information to form the equation above, where x is the total amount of pieces. The total amount of jigsaw puzzles is 950.