Answer:
y=1/2x+8
Step-by-step explanation:
-4=1/2*8+b
-4=4+b
b=4+4
b=8
Since a and 5 aren't like terms, you would write the expression as 
No
We know scale factor(k)=y/x
Calculate units as 1 and find k
For left side
Hence its not a copy
Answer:
(1/4)x=2 1/2
Step-by-step explanation:
It is 2.5 gal. of water and 0.25 gal. of water per plant.
It could also be x=(1/4)/(2 1/2)
The answer to this question would be: <span>The new survey’s margin of error will be between 50% and 100% the size of the original survey’s margin of error.
A bigger sample will result in a narrower margin of error which is a good thing because your data will become more accurate. But twice size will not improve the margin into the half. It definitely became lower than 100% though
</span>
