Nine increased by four times a number

Afootball is throw by a quarterback to a receiver

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

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1