points: (3, 7) and (-1, -1)
slope (m) :

========



Equation:

==============



<em>If we need to turn this into a mathematical expression:</em>
Answer: (x + y) - 9
Step-by-step explanation:
9 less than the sum of x and y
(the sum of x and y) - 9
(x + y) - 9
<em>Read more about </em><em>algebraic expressions</em><em> here:</em>
<em>brainly.com/question/27791850</em>
Step-by-step explanation:
The Value of Y is three times than a multiple of x.
If you have a rombus for example lets say the obtuse is 180 and the acute is 30 so the opposite angel of both is what the other is if that makes any sence