Answer:
37.5%
Step-by-step explanation:
72-45=27
27/72=x/100
2700/72=x
x=37.5
37.5%
Answer:
When (-1,-4) is substituted into the second equation, the equation is true.
The ordered pair (-1,-4) is a solution to the system of linear equations.
When (-1,-4) is substituted into the first equation, the equation is true.
Step-by-step explanation:
Given


Required
What is true about 
To do this, we substitute -1 for x and -4 for y in both equations;
For 



<em>Hence: </em>
<em> is true for </em>
<em></em>
For 



<em>Hence: </em>
<em> is true for </em>
Answer:
<h2>

</h2>
Step-by-step explanation:
"half of R" it is: 
"y cubed" it is: 
Therefore, half of R subtracted from y cubed is: 
It will be y=-3x+5 if you want it to be intercept form
Step-by-step explanation:
x³.y =(5)³.(10)
=1250