Answer:
Step-by-step explanation:
slope of line perpendicular to y=mx+c is -1/m
so here reqd. slope=-1/4
Answer:
Step-by-step explanation:
Correct me is I'm wrong but I believe its a independent variable.
Answer:

Step-by-step explanation:
we have

Eliminate the parenthesis

Group terms that contain the same variable

Combine like terms
