Answer:
Step-by-step explanation:
<u>Population density is:</u>
- Pd = population / area
- Pd = 300000000 people / 3500000 sq mi = 85.7 people/ sq mi
Correct option is A
Answer:
2b+9
Step-by-step explanation:
Twice the quantity b is 2*b = 2b
...and then you add 9 which is:
2b+9
There really isn't any distributing done, as the perimeter is the total length of the shape, and since this is a rectangle it has two two equal sides, 7+7=14 and 13+13=26, 14+26=40 inches
