3.9 = 4
4.2 = 4
5.5 = 6
6.3 = 6
Hopefully this is what you mean :)
The answer is the first one, she should expect the slope to be negative because the line tilts down moving from left to right
The equation is that 171 and 172 do not match but 090 and 090 do
Sasha is incorrect. you would add the 8x and the 3x not subtract them. Dante is correct because he adds 3x and 5x and he also adds 6 to both sides of the equation. Hope I helped!