The answer is C
(9)(5)=-45
9+(-5) = 4
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






Answer:
gtbhytyt4ff5ddtd56cc6c6c6c6f6c66ffb
Answer:
The product of any rational number and any irrational number will always be an irrational number.
Step-by-step explanation:
K-2 I think I'm not sure though