2km=2000m
25m=25m
2500cm=25m
3000mm=3m
Hence the longest is 2km=2000m
Answer:

Step-by-step explanation:
First, begin by multiplying
by its reciprocal.
To do this, flip the fraction upside-down.
The resulting equation looks like this: 
Cancel out the two 27's and you are left with
, which you can simplify to q.
Next, multiply -3 by
. Remember, what you do on one side, you must do on the other.
Your equation should look like this:

The final answer is
.
Have a nice day!
Answer:
c
Step-by-step explanation:
Answer: (x-6)/2
Step-by-step explanation:
x=2y+6
x-6=2y
(x-6)/2=y
y=(x-6)/2