Answer: 189
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Answer:
fcvbghjuiolkjuytrdfgyuiolkjuhytrfghuiol,kjhgtfrghjk
Step-by-step explanation:
Answer:
+7
Step-by-step explanation:
if you go from 28 to 21 you see there is a difference of 7 and sense the number is a smaller number now we know the dolphin went up more towards the surface there for there is a change of positive 7
28-21=7
Answer: the second and the third one are right
Step-by-step explanation: