Answer:
The difference is 3126 feet.
Explanation:
New Mexico: Red Bluff Reservoir: 2,844 feet above sea level
California: Death Valley: 282 feet below sea level
2844 and -282 are our numbers for the elevations. To find the difference, subtract Death Valley's elevation from Red Bluff Reservoir's elevation:
![2844-(-282) = 2844+282 = 3126](https://img.qammunity.org/2020/formulas/mathematics/middle-school/2fc5w22zzizo73nsthtyysy88n71nsx7w6.png)
The difference is 3126 feet.