The first three are dependent variables as the outcomes could potentially change due to any of these circumstances.
The last one is an independent variable due to the fact that rolling a die several times will not affect the next outcome.
Answer: 2.5
Step-by-step explanation:
The top row contains the product of

with each term of the expressions

and bottom row contains the product of -1 with each term of expression

.
The final result will be the sum of terms of both rows as shown below:
So the correct answer is option D
12 *12 = 144
Therefore 12^2 = 144
Box one ratios
Box two 35:2= 70:4