When you graph the equation you notice that there is 2 vertical and 1 horizontal asymptote. or D
Answer:

Step-by-step explanation:
Using standard form (Ax+By=C) equals 
2x-3b=c

now simplify 
<h3>
Answer: Yes, those sides form a right triangle</h3>
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Work Shown:
a^2+b^2 = c^2
15^2+20^2 = 25^2
225+400 = 625
625 = 625
Since the last equation is true, this makes the first equation true for those a,b,c values. Therefore, by the pythagorean theorem converse, this is a right triangle.
Side note: c is always the longest side.
Answer:
32 plus 56 plus 72
Step-by-step explanation:
I put it in the wrong place but its fine . the answer is 160
a is given to us so just plug a into the first equation:
b-3 - 3b =9
Add 3 to both sides:
b-3b=12
Combine like terms:
-2b=12
Divide by -2 to get b by itself:
b=-6
The only answer with b as -6 is the first one, (-9,-6)