Answer:
Gabe needs 20 liters of the 40% solution.
He also needs 40 liters of the 70% solution.
Step-by-step explanation:
<span>I think it's right. A. ZY=VZ</span>
Answer:
22.5
Step-by-step explanation:

Hope this helps!
Answer:
-23
Step-by-step explanation:
6×-4 -1.... (6)(-4)-1
-24-1.....-24-1
-23