Please help me with number 7.

Mathematics

1 answer:

Neko [114]3 years ago

6 0

7a expression: 12 + (- 1) + (- 1) + 3
7b evaluate: 13 Solving:((12 + -1 = 11) + (-1 + 3 = 2) (11 + 2 = 13))
7c: At the end of the three days, the value of the stock was $13.

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