Can someone help I wanna make sure I got it right

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n