1. 4n + 28
2. 30-10x
3. 3m+3n
4. 8+2j
Answer:
divide the diameter by 2
Step-by-step explanation:
the equation for the area of a circle is Pi times the radius squared. the radius is half the diameter, so if you need to find the area of the circle, just divide the diameter by 2 and you will have the length of the radius. then, jut plug it in to the equation.
Answer: The answer is A and D
Step-by-step explanation:
Answer:
The first one is
Step-by-step explanation:
Answer:
9
hope this helps
have a good day :)
Step-by-step explanation: