Patrick counts on to solve 9+___= 16. Explain how he can do this. What is the missing addend? Ik it I just wanna see if y’all do :)

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

the weight of the object inside the box!