Question

15. Which expression has a value of -19?

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

Answer 1

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