Answer:
Step-by-step explanation:
18/12 = 24/(x-2) Put the similar sides in the propertions.
They are equivalent
3/6 is equal to 1/2
2/4 is equal to 1/2
17. +5-2-1=+2
18. -7-6-2=15
19. +11-9-4=-2
20.+4-8+6=+2
Option D, 5^9 is the correct answer
