Please help me on this question

When only separate discreet points are graphed it is called?

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?

There are 85 apples on the big tree, john picked out 15%. how many did john pick out?