Answer:
You start at -9
-Open circle
-shade towards the right (where all the positive numbers are)
Open circle - ones that don't have a greater than or equal to. If it does then it's a closed one.
Shade towards the right cause y is less than 9
Answer: x - 3y = -2
x = -2 + 3y
x - 3y = 16
x = 16 + 3y
5(x+4)+16
5x+20+16
And then the solution is 5x+36
<em>Answer:</em>
<em>Ông sáu sẽ mất 4281000 đồng</em>
3.125 would be the answer hope this helps
