Question

hi there...

I am stumped on a problem
y=-2/3x+30

I do not know how to find the height of the light when it is 30 feet away from the building
I have tried using down 2 over three and I came up with 42 but that is incorret.could someone please tell me how to approach this problem... your help is very much appreciated! maranda

Answer 1

I have also been told to try Pythagorean theorem, but am unclear on how to approach this

Answer 2

kook