Answer:
17 feet
Step-by-step explanation:
the seagull is originally 53 feet above water and dives 70 feet down. so 53-70=-17. 17 feet below water.
12x² - 3.5y + 10y + 1.5x² + y Combine like terms
13.5x² + 7.5y
5
-3x+6
-3x-6(-1)
First, multiplying two negatives equals a positive: (-)×(-)=(+). Then,
multiply the numbers -3×+6×1 = -3x+6. Then, you got the answer and the answer is -3x+6