Answer:
Are you in k12? Bc I failed this :(
Step-by-step explanation:
You can rewrite the differential equation as

This last expression looks like the one you describe. If you solve for A instead of t, you get

This is the same as your other answer.
Answer:
answer is (c) no , circles c and d have same radius
Step-by-step explanation:
hope it helps you
9r
Explanation:
4r + 9r = 13r
13r-11r = 2r
2r + 7r = 9r