What is the rate of change between the interval x = π and x = three pi over two?

Find the area of the regular hexagon if a side is 20 cm.

Precalculus question, image attached.

The diagram represents the polynomial 4x2 + 23x – 72. what is the factored form of 4x2 + 23x – 72? (4x + 8)(x – 9) (4x – 8)(x + 9) (4x + 9)(x – 8) (4x – 9)(x + 8)