Answer:
19. c 20.b
Step-by-step explanation:
Answer:

Step-by-step explanation:

x + 3 / 
-(
)
-
-(
)

-(
)
8x +22
-(8x + 24)

Answer:

Step-by-step explanation:
Multiply both sides by 2
2x=3y+6
Move variable to the left-hand side and change its sing
-3y=6-2x
Divide both sides of the equation by -3

I assume you are the same person from earlier. the answer is 140 in^3