11 + (-11) = 0 which statement models this equation? a). william purchased 11 oranges and 11 apples. b). ms. vela has 11 pennies after taking out 11 pennies. c). sheila had 11 marbles. she gave 4 to bobby, 5 to carla, and 2 to jenna. d). mr. carlson drove 11 miles to work. he then drove 10 miles back home.