<span>C).a unique triangle
The other 2 don't make sense.
</span>Hope this helps.
129.5 is the answer hope this helps and gl
Answer:

Step-by-step explanation:
According to the problem, the initial condition is $200. If he owed $100 after 4 weeks, that means he paid $25 per week, so that would be the constant ratio. Therefore, the expression would be:

Where
represents the amount owed, and
represents weeks.
So, in the 4 week, that is,
he owed:

As you can observe, the relation we found first perfectly to the problem. So, the final expression that model this problem is

Answer:
y= -3y - 1/3x
Step-by-step explanation:
-2(x + 3y) = 18 Distribute the -2 to the x + 3y
-2x - 6y = 18
+2x +2x Add the 2x to both sides
-6y = 18 + 2x Divide both sides by -6
y= -3y - 1/3x
They each paint a part of the poster that is 1.333 or 1 1/3 feet long. Hope this helps:)