If postage costs are 22 cents for the first ounce and 17 cents for each additional ounce, what is the cost of postage for a letter weighing 3 ounces?

73 cents because you multiply 17 by 3 then you add 22 and get 73

answer: true

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