Answer:
10
Step-by-step explanation:
12-6+4
181818/1000000. let me know if im wrong! <3
The answer would be D. It would be $42 in the end if you picked D.
The formula for calculating length is:

We can also write

or

Why it does not matter?
Let's assume we have 2 numbers, a and b.
When we perform a subtraction:

, we get another number

When we perform another subtraction:

, we get a number

When we raise

or

to the power of 2, the result is the same,

.
the answer is 114 because first u have to × and then +