Its distributive property pla help​

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Suppose that g(x)=f(x+9) which statement best compares the graph of g(x) with the graph of f(x)