You weren't clear on the equation so I did it both ways. It didn't really matter though because both equations had the same answer. ♀️
Answer:
2/3
Step-by-step explanation:
We can use the slope formula
m = (y2-y1)/(x2-x1)
= (12-8)/(4 - -2)
(12-8)/(4+2)
4/6
2/3
Answer:
40
Step-by-step explanation:
20 ÷ 1/2 = 20 * 2 = 40 half liters in 20 liters


Hope you could understand.
If you have any query, feel free to ask.
Thickness of 1 quarter = 1.75 mm
So, 1000 quarters will be = 
= 1750 mm
So, a stack of 1000 quarters will be 1750 mm high.