Answer:
the answer is c
Step-by-step explanation:
Answer:
To simplify the following expression: 6 / (7+3i), we're going to multiply and divide the entire expression by (7+3i), as follows:

Now, the denominator has NO imaginary numbers.
Answer:
Mean = 55.2
Step-by-step explanation:
Given data set: 113, 14, 23, 12, 114
To find the <u>mean</u> of a data set, <u>divide</u> the <u>sum</u> of all data values by the total <u>number</u> of data values:

5 5/14
You can convert mixed fractions to solve it’s an easier method :)
Your question is missing some words and cannot be answered as asked.
However, it seems that the question is simply testing your knowledge of the term "vertical angles." Vertical angles are equal to each other. So if F and D are vertical angles, and one of them is 53°, then the other one is 53° as well.
But again, would need the full question to be sure.