Suppose that X is a random variable with mean μ= 11.5 and standard deviation σ= 3.1, and that Y is a random variable with mean μ= 11.5 and standard deviation σ= 3. What is E(X+Y)? If necessary, round your answer to one decimal place.

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Which of the following parabolas opens down?

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?