The answer is 95ft
1. Set up an equation 52-x=-43
2. Subtract 52 from both sides -x=43-52
3. Simplify -x=-95
4. x=95
All the best (if you don't understand the equation let me know if you want help)
A and D
Put 3 in the equations and solve
Your answer is 8.4 X 10^7.
Hope this helped!