Which situation is an example of opposite quantities combining to make 0? A gift card had a balance of $20. Then, all $20 on the gift card was spent.
O A swimmer was 6 feet below the surface of the water. Then she descended another 6 feet.
C A container had 21 ounces of liquid. Then, 2.1 ounces of liquid was added to the container.
d The temperature was -5 degrees Fahrenheit. Then, the temperature decreased by 5 degrees.

Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Which of the following is an irrational number