Answer:
The required form is
.
Step-by-step explanation:
Consider the provided quadratic function.

We need to put the equation into the form 
Add and subtract 49 in order to make the above function a perfect square.




Hence, the required form is
.
Answer:
whats the question...
Step-by-step explanation:
TWD is cool
Answer:
-12 & -18
Step-by-step explanation:
Answer: 191
Step-by-step explanation:
Formula to find the minimum sample size required to estimate a population proportion or percentage:

, where
= proportion estimated by prior study.
E= Margin of error.
z* = Critical z-value.
Given : Confidence level = 95%
Critical value for 95% confidence = z*=1.96

E= 7%= 0.07
Then, 


Hence, the minimum sample size required=191