Acube has a volume of 2197 m^3. its surface is to be painted. each can of paint covers about 40 m^2. how many cans of paint are needed? justify your answer.

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

What is the inverse of the function f(x) = 2x + 1?

Will give a: 122 b: 90 c: 48 d: 180