I can answer the second page. No, because you cannot have the point (2,9) as they are both the domain (the x coordinates) it must be a number for the domain and range.
Answer:
Last one:
2 x + 4 y = 6. 3 x minus 4 y = 9.
Step-by-step explanation:
2x + 4y = 6
3x - 4y = 9
4y = 3x - 9
2x + 3x - 9 = 6
5x = 15
x = 3
4y = 3(3) - 9
4y = 0
y = 0
Only one solution, which is (3,0)
Answer:
10/4
15/6
20/8
Step-by-step explanation:
The liter is dependent and how much u drink is independent