Answer:
y=x-1
Step-by-step explanation:
Gradient=1
Rise/run=1/1=1
y=x+c
y intercept=-1
y=x-1
They are both labeled as 3 feet, so both must be equal, unless you doubt the labeling. Unless that is so, then both segments are equal.
Answer:
Slope = - 1
y-intercept = 2
Step-by-step explanation:

Answer:
Step-by-step explanation:
If two angles are supplement of each other then one of the angles must be acute