Which equation shows how the properties of numbers extend to negative whole numbers by the commutative property of addition? a) -2 + 4 = 4 + (-2) b) -2(4) = 4(-2) c) (-2 + 4) + 3 = -2 + (4+3) d) -2(4+3) = (-2 x 4) + (-2 x 3) !

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

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Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.