Answer:
c
Step-by-step explanation:
To find the population density we need to divide population by area then live on:

The given number live in a circular place. Area is given by formula:

Where r is radius
Now we have:

The population density is 5747.26 people per square mile.
Kelvin would read 70 pages in 2 hours.
Step-by-step explanation:
Total pages read per hour by Kevin= 35 pages
Total number of hours in consideration= 2 hours
Hence total pages that are read by Kevin in 2 hours= Pages read in 1 hour * Total hours in consideration
Substituting the values of pages read by Kevin in 1 hour and total hours in consideration
Total number of pages= 35*2= 70 pages
Hence, the total number of pages read by Kevin in 2 hours is 70 pages
Answer:

Step-by-step explanation:
![\sf = 13 \% \ of \ 645.2\\\\= \frac{13}{100 } * 645.2\\\\= \frac{13*645.2}{100} \\\\= 8387.6 / 100\\\\= 83.876\\\\\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Csf%20%3D%2013%20%5C%25%20%5C%20of%20%5C%20645.2%5C%5C%5C%5C%3D%20%5Cfrac%7B13%7D%7B100%20%7D%20%2A%20645.2%5C%5C%5C%5C%3D%20%5Cfrac%7B13%2A645.2%7D%7B100%7D%20%5C%5C%5C%5C%3D%208387.6%20%2F%20100%5C%5C%5C%5C%3D%2083.876%5C%5C%5C%5C%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>~AH1807</h3>