Answer:
2x(x+1)(x-1)(x+3)(x-3)
Step-by-step explanation:
Answer: A. 664
Step-by-step explanation:
Given : A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic cable TV service.
But there is no information regarding the population proportion is mentioned.
Formula to find the samples size , if the prior estimate to the population proportion is unknown :

, where E = Margin of error.
z* = Two -tailed critical z-value
We know that critical value for 99% confidence interval =
[By z-table]
Margin of error = 0.05
Then, the minimum sample size would become :

Simplify,

Thus, the required sample size= 664
Hence, the correct answer is A. 664.
Answer:
I THINK it's B, could be wrong.
Step-by-step explanation:
Answer:
global warming
Step-by-step explanation:
icebergs are melting which in the future can cause floods and also the warmer earth gets then the crops 2ouldnt grow
Answer:
the answer is the first option, A) 2x-7
Step-by-step explanation: