Answer:
The third and fifth are correct
The second one is NOT correct
Answer:
x=-2/3
Step-by-step explanation:
1) graphs y = -9x + 12 and y = 1/3x - 12 are not coincident.
2) The graphs are not parallel, because the angular coefficients are not equal
3) The condition of perpendicularity:
, where 
- not perpendicular
Answer:
6/17 tsp cinnamon per cup of sugar
Step-by-step explanation:
12/34 then simplify the fraction