Answer:
I believe it is A
Step-by-step explanation:
Because if you take a point go up 1 and over 2 you get your next point. Rise over run would be 1/2 so the constant of proportionality would be 1/2 or .5
Yeah, it is 16, the way they worked it out is correct also
785.63-(57+125)
=785.63-182
=603.63
603.63+57.25=$660.87
X = 42 and y = - 23 are the two numbers