The slope of line is -1/3. what is an equation of a line that is perpendicular to line of t

With #! i’ve tried to figure it out but i can’t.

What is the difference between regular convex and concave polygons

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph