Answer:
i think it is B
Step-by-step explanation:
because that one isn't really a rate as much as the other ones are, its more of a ratio, i'm bad at explaining things, hope its correct :D
B. congruent, im pretty sure
Answer:

Step-by-step explanation:
The given rational function is

Let

Interchange x and y

Cross multiply

Expand

Solve for y;

or

Therefore

Answer:
B. -6 does not belong to the domain but belongs to the range of f(x).
Step-by-step explanation:
We have the function,
.
So, the domain of the function is obtained when
i.e. 
That is, the domain is {x | x≥ 7}.
Now as we have,
→
→
→
→
.
That is, 
Thus, the range of the function f(x) is {y | y≤ 1}.
Thus, we can see that,
-6 does not belong to the domain but belongs to the range of f(x).
Answer:

Step-by-step explanation:
I'm assuming you are trying to find m. In order to do so, you need to get m on one side.
Before doing that let's multiple -2 and -3m by 

add
to both sides

I would get rid of the fraction so I'd multiply both sides by 


divide both sides by -12m

which can be simplified to

ALL UNLESS THAT
IS A POWER