15. Which expression has a value of -19? A. (8-9) - 18 B. 8-(-9) C. -9-8 D. -1 - (-17)

asked May 15, 2020 80.4k views

1 vote

15. Which expression has a value of -19?

A. (8-9) - 18
B. 8-(-9)
C. -9-8
D. -1 - (-17)

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6 votes

Answer:

A: -19

Explanation:

A. (8-9) - 18 = -1 - 18 = -19 This is the only expression whose value is -19.

B. 8-(-9) = 17

C. -9-8 + -17

D. -1 - (-17) 16

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