What is the answer to this math problem?

F is -5, 4

G is 0, 1

H is 0, 4

I hope this is right and if it is not then I'm sorry.

3

Step-by-step explanation:

The lights and pole form a right triangle. The question gives the hypotenuse as 5 and one side length as 4.

Use the Pythagorean theorem: .

Plug in what you are given:

b = 3

Or you could recognize that it was a pythagorean triple: 3, 4, 5