Select the equation of the line that passes through the point (3,-1) and is perpendicular to the line on the graph

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Plz heeeeeeelp plz give me the answer

Write 17/20 as a decimal and as a percent.