Answer:
s = 10/9
Step-by-step explanation:
1. add 1/3 to both -1/3 and 7/9
2. the answer will be 10/9
Ok, so the key says 1cm=10mm. So you do 25x10=250cm, then do 250(the fish)-25(the guinea pig)= 225cm
Answer:

Step-by-step explanation:




Answer:
-3 and infinity
Step-by-step explanation:
Answer: 5n≥25 and if you divide 5 on both sides, n≥5 (I don't know if you are supposed to solve or simply put it in the equation form).
Step-by-step explanation: