The cosine of 30° is √3 / 2.
Since cosine is Adjacent over Hypotenuse, Hypotenuse = (2 / √3) * 9 = 18 / √3.
The cosine of 45° is √2 / 2.
Therefore, X = (2 / √2) * (18 / √3) = 36 / √6 = 18 / √1.5 = C
Answer: 
Step-by-step explanation:
Given : Sample space : n= 559
Sample proportion : 

Significance level : 
Critical value : 
Confidence level for population proportion:-

Hence, 95% confidence interval for the percentage of all auto accidents that involve teenage drivers.= 
5 because your dividing 10 and 2.
In here, we will use the distance formula

Compute the distance between <span>(-5, 3) and (5, 3)
</span>

<span>
= 10
The distance between </span>(-5, 3) and (5, 3) is 10