Answer:
a is 26 and b is 8.66666666667
Step-by-step explanation:
Answer:
It's A my friend
Step-by-step explanation:
Answer:

Step-by-step explanation:
The given function is

Which can be rewritten also as

We want to find the values of x for which

In order to do that, we just substitute -12 into f(x), and we solve the equation for x:

Answer:
121.21 people per square mile
Step-by-step explanation:
area = 1/2(12 + 21)(14) = 231 mi²
28,000/231 = 121.21 people per square mile
Answer:
28/4=7
Step-by-step explanation:
Divide 4 by 28 and you get 7