Can somebody please help me? Find an equivalent expression for the missing side length of the rectangle. Then find the missing side length when x = 3. Round to the nearest tenth of an inch.

Expression: ???
Length: ???

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.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Ineed with this problem 21 show steps