The expression /9-(-5)/ means absolute value.
The expression -5 and 9 just show that 5 is negative and 9 is positive
HOPE I HELPED!!!!=D
Answer:
D 69
Step-by-step explanation:
1:4 is you answer. 4-3 is 1 and you do the same to 7
Step-by-step explanation:

multiply both sides by a - r

divide both sides by s

subtract a from both sides

invert the signs
