Which number sentence shows the commutative property of addition? a. 8 + 4 = 12 b. 8 + 4 = 4 + 8 c. 8*4 = 32 d. 3 + (9 + 1) = (3 + 9) + 1 asap !

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Which of the following contains a variable?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?