Hey i just need points
U got this
Answer:
Step-by-step explanation:

Answer:
The answer is A
Step-by-step explanation:
Hope your day gets better :) Brainliest??
Answer:
-1/20
Step-by-step explanation:
r/2 + s/r - r/4 + 1/5 =
= -1/2 + 0/(-1) - (-1)/4 + 1/5
= -1/2 + 1/4 + 1/5
= -10/20 + 5/20 + 4/20
= -5/20 + 4/20
= -1/20