Evaluate
ifr=9 and s = 2.
S
![Evaluate ifr9 and s 2 S class=](https://us-static.z-dn.net/files/d6f/1a6610a1bab01f6d7d56a50325985276.png)
Answer:
18
Step-by-step explanation:
plug in r and s
4(9)/2
36/2
18