Answer:
An appropriate method is to generate a simple random sample of all single-family homes in the city or a stratified random sample by taking a simple random sample from each of the ten district neighborhoods.
Step-by-step explanation:
Since, the city is very large and it is divided into ten districts. So, collecting sample from one district or any particular are did not give the correct estimate of whole city. So, the appropriate method to collect sample is taking the sample randomly from each district and this type of sampling method is called Stratified Sampling.
Answer:
A
Step-by-step explanation:
Madison's expression equals 8z and so does the answer.
The first step is to solve the parenthesis because of PEMDAS.
hope this helps,, have a nice day :))
Answer:second one I just did that
Step-by-step explanation:
Given:
The given quadratic equation is:
To find:
The solution for the given quadratic equation in simplest form by using the quadratic formula.
Solution:
Consider a quadratic equation is defined as 
, then the quadratic formula is:
The given quadratic equation is:
We have, 
. Using the quadratic formula, we get
![[\because \sqrt{-a}=i\sqrt{a}]](https://tex.z-dn.net/?f=%5B%5Cbecause%20%5Csqrt%7B-a%7D%3Di%5Csqrt%7Ba%7D%5D)
The solutions of the given equations are 
and 
.
Hence, the correct option is B.
