4(4)+ 2(-5) = 6
16+ (-10) = 6
Half if you were a good friend
You would divide the 2/3 by 4 which would be 1.6 recurring and then put that back into a fraction which would be 1/6. I'm not sure if his is correct but this what is learnt ♡♡chyna
Answer:

Step-by-step explanation:
Given the formula;

We want to solve the given formula for r.
Multiply both sides by 


Take square root of both sides





