1. It is already in slope intercept form so y=2/5x-12/5
2. Y=2/3x-2
Isolate the y
-9y=-6x+18
y=2/3x-2
3. y=4/5x+14
Isolate the y
-5y=-4x-70
y=4/5x+14
Answer:
1. 25%
2. 0.40
3. 
4. 
Step-by-step explanation:
Solve each individually;

25% = 

Answer:
answers is C
Step-by-step explanation:
Here are three ratios
1 6/7
2 120/140
3 60/70