Which of the following is an example of the commutative property? O 4+ (6 + 7) = (4 + 6) + 7
O4(6 + 7) = 4(6) + 4(7)
O 4X6 x 7 = 7 x 6 x 4
O 4 + 6 + 7 = 7 + 6 + 4

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g