Because, the total number of electrons is equal to the number of protons.
Answer:
<u>A. Quadratic, degree 2</u>
Step-by-step explanation:
The degree is found by simply finding the term with the power of, that is the highest. Which would be 2x^2. It is raised to the 2nd power, so the degree is 2.
Celculate the figures by using the numbers,with letters
12 is the diameter. We need the circumference which you get by multiplying 12x2 sides which = 24 which is the circumference
