Answer:
A would be the line of best fit and B would be the oulier
Answer:
a convex nonagon
Step-by-step explanation:
Answer:
Step-by-step explanation:
(a). 
= x ( 2x + 1 ) = <em>2x² + x</em>
(b). 
= 2( 2x + 1 )( 5x + 3 ) = <em>20x² + 22x + 6</em>
(c). 
= 20x² + 22x + 6 - ( 2x² + x ) =
( 20x² - 2x² ) + ( 22x - x ) + 6 =
<em>18x² + 21x + 6</em>
Here I have attached a photo to help you with this:
