Answer:
She forgot to flip the inequality sign when dividing both sides by -4
y = -2x + 1
y = -2x -3
none cuz they're both -2x
Answer:
The jar of chermical contains 66g of Zinc.
Step-by-step explanation:
The ratio of Zinc to Copper is 3 : 13
A jar of the chemical contains 286g of copper.
Let the mass of the Zinc be xg.
13/3 = 286/x
x = 3A286/13= 66g
So the jar of chemical contains 66g of Zinc.
Answer:

Step-by-step explanation:
