Find the quotient of 90 over -10

90/-10

= 9/-1

= -9

So, -9 is the quotient.

the answer is a i belaeve atleast thats what my calculator just gfave me

step-by-step explanation:

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