Answer:
n = m-a
Step-by-step explanation:
a = m-n
a+n =m
n = m-a
Answer:

Step-by-step explanation:
A diameter is two times longer than a radius. Therefore, if the diameter
d = 24in, then the radius r = (24in) : 2 = 12in.
The formula of an area of a circle:

Substitute:


Then

Well, you can do, 4+9, and 5+9, or, instead of 5+9, maybeeeee, 6+7!
Where is the question though