Arectangular cornfield is 40 chains long and 18 chains wide how many acres are in the cornfield?

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Whats the name of the vertical axis

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12