Suppose two dice (one red, one green) are rolled. Consider the following events. A: the red die shows 5; B: the numbers add to 3; C: at least one of the numbers is 3; and D: the numbers do not add to 9. Express the given event in symbolic form. The numbers do not add to 3.
B
D
D′
B′
B′ ∪ D

How many elements does it contain?

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the government closely monitored its finances to avoid another financial collapse.

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.