About `3.2 x 10^{8}` people live in the United States. About `3.9 x 10^{7}` people live in Canada.

And about `1.1 x 10^{8}` people live in Mexico.

About how many people live in all three countries altogether?

pls ask

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

2

step-by-step explanation: