Answer:
(1, 3)
Step-by-step explanation:
The solution to any system is where the two lines meet. It would be no solution if the lines were parallel. An ordered pair is written out in the format (x, y).
Answer: 0.0432
Step-by-step explanation:
Formula of Margin of Error :-

Given : Sample size : n= 400
The proportion of individuals use public transportation.=
Level of confidence = 0.95
Significance level : 
Critical value : 
Substitute the values in the given formula , we get

Hence, the margin of error for the confidence interval for the population proportion with a 95% confidence level. = 0.0432
Answer:
3x² - 12x + 13
Step-by-step explanation:
given
f(x) = 3(x - 2)² + 1 ← expand (x - 2)²
= 3(x² - 4x + 4) + 1
= 3x² - 12x + 12 + 1
= 3x² - 12x + 13 ← in standard form