The graph of f(x) = 2x + 3 shifts 10 units to the right when it is replaced with the graph of f(x) = 2x − k. what is the value of k?

(hurry! ) which expression is equivalent to the following complex fraction?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)