Answer:
3.375
Step-by-step explanation:
Answer: Row 3
Row 2
6 and 10
Step-by-step explanation: C B A
Answer:
Step-by-step explanation:
Key to this method is remembering that

So, if you divide the coefficient of x by 2 and square it, that will complete the square. With that in mind, things are easy.
6/2 = 3, so add 

So, c=9
Similarly, for the other two,

You don't really have to worry about the sign, since squaring will always make it positive

Answer:
It's D. 1.2(line) < 3.1(pi) < 4.6(square root 22)
Step-by-step explanation:
Look in the comments to figure out why D is correct. You're welcome! :)
Answer:
d = -2
Step-by-step explanation:
d( 3 ) = ( -6 / d )d
3d = -6
(3d)/3 = (-6)/3
d = -2