Answer:
-3°F
Step-by-step explanation:
3-3=0, -3 more is -3
Union = {1,3,4,5,6,7}
Intersection = {5,6}
Round 1.05 mm to the nearest whole number the result is -1.1 then round 2.48 which the result will be equal to 3. The total variation in water level is -3.3
