Please help me I’ll appreciate smmm

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?

The graph shows how many words per minute two students read. drag to the table the unit rate that matches each graph.

If the probability of an event happening is 65% then the probability this event does not occur?