each year a scientist measures the water level of a local Lake. negative numbers indicate that the water level below is historical average which list shows the water levels in order from highest to lowest ​

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain