Answer:
Step-by-step explanation:
3x^2 - 5x + 12 - (5x^2 + x - 11) =
3x^2 - 5x + 12 - 5x^2 - x + 11 =
-2x^2 - 6x + 23 <====
Building a =665 building b=815
Answer: 12y + 11
Step-by-step explanation:
12 x y + 11
The answer is 4,239,000 but I don’t know what you mean by decimal form.