Answer:
Attached below
Step-by-step explanation:
sorry couldnt d it on paper ;)
There are 3 times as many participants in the 40–59 age group than in the 0–19 age group is the one statement among the following choices given in the question that best compares the height of the bars of the histogram. The correct option would be " There are 3 times as many participants in the 40–59 age group than in the 0–19 age group."
Answer:
Part a) The exact area of the sidewalk is 
Part b) The approximate area of the sidewalk is 
Step-by-step explanation:
we know that
The area of the sidewalk is equal to the area of the outer circle minus the area of the inner circle
Part a) Find the exact area of the sidewalk

![A=\pi [144-64]](https://tex.z-dn.net/?f=A%3D%5Cpi%20%5B144-64%5D)

Part b) Find the approximate area of the sidewalk
assume 
substitute

Answer:
G
Step-by-step explanation:
SA = 2 congruent triangles + 3 rectangles
= 2(½×12×5) + (13×4) + (12×4) + (5×4)
= 60+52+48+20
= 180 in²