Answer:
Answer. Answer: A system of linear equation has no solution when the graphs are parallel.Step-by-step explanation:
Answer:
There are many. Two examples are

Step-by-step explanation:
There are many examples. The simplest is
1 -

It is trivial that

2 -

That function is injective as well.

An example of a function that is NOT injective is

Notice that

B. Estimation is good sometimes, but not in these cases.
Trust me, it's happened to me b4.
<span>3x23x2= 138 feet wide by 28xy + 10x6y + 2 feet long B) purchase 140 feet X (28xy + 10x6y) fencing</span>