Respuesta :
9x + 16x
When x = 4,
9x + 16x = 9(4) + 16(4)
9x + 16x = 36 + 64
9x + 16x = 100
When x = 4,
9x + 16x = 9(4) + 16(4)
9x + 16x = 36 + 64
9x + 16x = 100