I'd say A. 8000, because you'd get the most answers and the biggest variety in answers for a more accurate sample.
A. is 20ft I believe but I don't know the other one
I believe that the slope would be 4/2 or 2, but i wouldn’t take my word for it
You can use the change of base formula to get

and also

In general, the change of base formula is

To do this you need 94 inches of braid.
94 inches = ? yards
1 inch = 0.0277778 yard
94 × 0.0277778 = <span>2.6111132.
Since you can only pay for a full yard you would buy 3 yards which would cost:-
$0.60 </span>× 3 = $1.80.
So for this you would need 3 yards which would cost $1.80.
Hope I helped:P