Answer:
A definition and a theorem can be used as a reason in a two-column proof. A two column proof is assembled into statement and reason columns, where each statement should have verified reason.
Step-by-step explanation:
m = -10
>:)
y=-0.5x+8
Opposite reciprocal of 2: -0.5
6=-0.5*4+b
6=-2+b
b=8
75
