Solve 34.8 = a + 5.8 =
2 answers:
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Answer:
Dolphin is 3 feet above the surface of the water.
Step-by-step explanation:
Dolphin is 30 feet below the surface of the water, then its position on the vertical number line is -30.
- She rises 23 feet - add 23,
- sinks 17 feet - subtract 17,
- and finally rises another 27 feet - add 27.
Thus,
Dolphin is 3 feet above the surface of the water.