Left
abs(9) = 9 The absolute value is always positive no matter what else is inside the brackets. The only exception is 0. abs(0) = 0 which is neither plus nor minus.
Answer D
Middle
Comment
A
is not the answer. Both sides are equal to 8
B
is not the answer. An absolute value is never minus.
C
abs(-2) = 2
2 > 1 C is true and is the answer.
D
12 is not greater than 15.
Right question
the series beginning with - 9 with a second last number of 0 is the answer.
