Answer:
,
,
,
,
, 
Step-by-step explanation:
,
,
,
,
, 
Order everything, negative to the left side and positive to the right side
<u><em>Negative numbers:</em></u>
,
, 
<u><em>Positive numbers:</em></u>
,
, 
<em><u>Now order it on a number line:</u></em>
,
,
,
,
, 
Answer:
√290
Step-by-step explanation:
( 2 - 3 )^2 + ( 8 + 9 )^2
= ( - 1 )^2 + 17^2
= 1 + 289
= 290
= √290