What does this mean?

Which of the following is the correct ratio for converting kilograms to grams

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x