Answer:
-10=x
Step-by-step explanation:
9x-1=10x+9
9x-10×=9+1
-x=10
x=-10
5, 10 ,15
divide each by 5
1,2, 3
so the ratios should be 1,2,3
Metal 1 : divide by 150
1,2,4
Metal 2 divide by 130
1,2,3
Metal 3 divide by 310
1,2,3
Metal 4 divide by 140
1,2,3
Metal 1 is not proportional
Choice A
The slope of line m is also 2/7 because they are parallel so they have the same slope
Im sorry buuuuuuuuuut um thats too small maybe zoom in.. ;/
I hope that's good......................