Slope is the rise/run.
5/20 is the slope but simplify it so it’s now 1/4
Answer:
240%
Step-by-step explanation:
100 x (425 - 125) / 125
Answer:

Step-by-step explanation:

Hope this helps!
For angle A, you need to do 180-130 which is 50
for angle B, you need to do 180- 90 - 50 which is 40
for angle C, you need to do 180 - 60 - 40 which is 80
If you want me to explain you with further details with how exactly I got those answers and how I knew what to do, then ask me.