The answer to this question should be 145
Answer:
c
Step-by-step explanation:
Because you can't have multiple x-values. You can only have multiple y-values.
Answer:
C - On the number line, move 3 units to the left. End at -7. The dolphin was 7 feet below sea level.
Step-by-step explanation:
The dolphin's starting point was -4 (4 feet below sea level). If the dolphin if diving down by 3 feet, you add -3 to its starting point.
-4 + -3 = -7.