Answer:
A=4.
Step-by-step explanation:
Note: In the expression of area the first term should be 
.
It is given that area of a rectangular floor of your house is 
and the length is 
units.
We know that, area of a rectangle is
Since length of the rectangle is , therefore is a factor of and the value of is 0 at x=-2.
Divide both sides by 4.
Therefore, the value of A is 4.
Answer:
Step-by-step explanation:
4) C looks pretty good
5) D looks great
:) ask if you'd like to know how I figured that out
Answer:
.2 repeating
Step-by-step explanation:
if you are allowed to use calculators, then do so, if not, you're going to have to do a lot of division
1cm = 10mm
therefore 40cm = 400mm
Answer:
y^2-2y+3
Step-by-step explanation:
use synthetic division
-1| 1 -1 1 3
-1 2 -3
1 -2 3 (0)
y^2 -2y +3
