X>44
.25(x)-3-4>4
.25(x)-7>4
.25(x)>11
x>11
Answer:
64percents
Step-by-step explanation:
25-9=16 grams - weight of copper
(16/25)*100=64 percents
Answer:
Step-by-step explanation:
1st picture on left: no solution
2nd picture on right infinitely many solutions
Answer:
3
Step-by-step explanation:
If you look on the graph, you can see that the y intercept is at -4. This easily takes out answers 1 and 2 because they have a y intercept a +3. Next you notice that any point with a y value must be equal to or less than 4/3x-4. Since every point below the line has a y value less than any point on the line, it must mean that y< or =4/3x-4