Answer:
B: 1620cm2
Step-by-step explanation:
16×15×2+30×20
You have to write the problem you need help with.
33/50 because it is biggest
Answer:
-5/6=-5/-6=- 5/6
- 7/2=-7/-2=-7/2
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
