F(3)={2(3)-9}
F(3)={6-9}
F(3)={-3}
Answer:
Step-by-step explanation:
-125%+20/28
-125/100+20/28
ANSWER: -15/28
Answer: 
<u>Step-by-step explanation:</u>
P = 2(l + b)
Divide both sides by 2:

Subtract b from both sides:

<em>Note: You can also multiply b by </em>
<em> if you want the left side to be one fraction.</em>
