He would need 6 meters of copper piping or just a tiny tincy bit more
The Slope of "<span>2x - 3y - 5 = 0" is:
m = 2/3.
Use the mx+y formula to solve this question.
The correct answer is: B
This is a verified answer. </span>
All you have to do, is combine like terms. Let's go through it:

Arrange it so you can easily combine like terms:

So, your answer for the sum is 1) 7x² - 10x + 2
We have
-9 + 7 = -2
You can also rewrite this as
7 - 9 = -2
If it makes you more comfortable.
Hope this helps.