Answer:
d because it the high est
Step-by-step explanation:
be abuse it the most
Answer:find it online
Step-by-step explanation:
Answer:

Step-by-step explanation:
From the way it is written, the
is outside the square root. I will rewrite it as:







Multiply denominator and numerator by 3

Factor 


Divide denominator and numerator by 

Let's rewrite it again


It is already in the form 
Expanding the perfect square, we have



Factor 

Therefore,


<span>4x + 8y =40
</span><span>4x + 8* 0.8 =40
</span><span>4x + 6.4 =40
</span>4x = 40 - 6.4
4x = 33.6
x = 33.6/4
x = 8.4