Answer:
360 is the answer...
becoz sum of exterior angles is always 360
81.28
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I think the answer is 297.
Explanation:
Replace every x in k(x) with 9
2(9)^2-3(9)
18^2-27
324-27
297
K(9)=297
Brainliest my answer if this helps you out?
Answer: (0.504, 0.556)
Step-by-step explanation:
Given : Sample size : n= 1005
Number of adults stated that they were worried about having enough money to live comfortably in retirement = 531
Then the proportion of adults stated that they were worried about having enough money to live comfortably in retirement : 
Significance level : 
Critical value : 
The confidence interval for population proportion is given by :-

Hence, the 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement = (0.504, 0.556)
Answer:
17 7/8
Step-by-step explanation:
8 1/8 = 65/8
9 3/4 = 39/4 = 78/8
8 1/8 + 9 3/4
= 65/8 + 78/8
= (65 + 78) / 8
= 143/8
= (17*8 + 7) / 8
= (17*8)/8 + 7/8
= 17 7/8