the answer is A couse divide all 5
If the diameter is 16 inches, then its radius is half that, r = 8.
Answer:

Step-by-step explanation:
It's like solving any equation, except we have letters instead of numbers .
k = 3tm + rs {subtract rs from both sides}
k - rs = 3tm {divide both sides by (3m)}
{swap sides}
m≠0
{m must be ≠0 because you cannot divide by 0. There is no t for m=0}
Answer:
edit: adjacent angles
Step-by-step explanation:
hope this helps