2,600 is the answer to your question
The answer is $2. This is explained by the picture.
D.180+x=7x
x-7x=-180
-6x=-180
x=180/6
x=30 pounds
180+30=210
2x²-3x when x=-5
Plug in the value of x
2 (-5²) - 3(-5)
Simplify.
2 (25) +15
Simplify.
50+15
Simplify.
65 is your answer.
~Hope I helped!~
You can use CPCTC:
I would go with the third option; <span><em>AB and XY, AC and XZ, BC and YZ</em></span>