What integer is the opposite of 9?
a. 9
b. 0
c. 9
d. 1

-9

Two integers with polar signs can have the same absolute value.
 Absolute value measures the displacement of a number from 0 disregarding the direction. Examples are: 
1.-8 and +8, their absolute values is |8| = 8 
2.+ 5 and -5 = |5| = 5 
3.1 + 2 absolute value is 3 
4.-10 + 2 = usually the answer is -8 but its absolute value is 8 
5.Same with -6 = |6| = 6 

38 dollars is your answer.