For each system through the best description of a solution if applicable give the solution

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.

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.