Answer:
Hi! The answer to your question is 1. and 2.
Step-by-step explanation:
☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆
☆Brainliest is greatly appreciated!☆
<em>Hope this helps!!</em>
<em>- Brooklynn Deka</em>
Answer: a =r-d - c
a+c =r-d
-c -c
a =r-d - c
:) Hope this answers your question :)
A