The number that represent the parts per 100 is called the part

Is their a graph or something that goes with this. I dont understand.

Step-by-step explanation:

What do you want to find?

Step-by-step explanation:

I don't understand...

Add more details and then I'll answer

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