What would be the best way to select an unbiased population-sample that represents the following topic: what is the favorite sport in mr. smith's class? a. ask four people on your soccer team. b. ask, "do you like silly soccer, or exciting football? " c. ask people reading at recess. d. randomly survey at least 20 people in the class.

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

i'm sorry mate, but i am not seeing any figures. i am unable to solve this for you.