This your answer hope i helped. :)
<span> The point lies one unit above the regression line. </span>
It's just telling you to multiple like 9×1=9 9×2=18 and so on.
Answer:
x = 15
Step-by-step explanation:
We know that 4x° + 8x° make a straight angle of 180°.
4x° + 8x° = 180°
12x° = 180°
12x = 180
x = 180/12 = 15
