You divide left to right so you start at the three, hope this helps.
Answer:
f=-21
Step-by-step explanation:
-21+20=-1
f has to be a negative number as the answer is negative and -21 is the only plug in that would make sence as the answer is negative one.
Answer:
C
Step-by-step explanation:it is talking about aminals
Answer: A and only A
Step-by-step explanation:
r/3+5<or=8
r/3<or=3
r<or=9
