Answer:
what are the polynomials?
Step-by-step explanation:
Answer:
2.2
Step-by-step explanation:
I did it on khan
Answer:
72 books will fit on the shelf
Answer:
a, -b
Step-by-step explanation:
When x is a, the function becomes

as you see, a-a is 0, and as your whole function is multiplied by this, it makes it 0.

As you see -b+b is 0, and once again, this would make the whole function 0.
The slope of -5x + y = 56 is 5
the slope of x + y = -4 is -1