Please help
Find the radical equivalent 8-2/3 and compute It.

When turned about its axis of rotation, which shape could have created this three-dimensional object?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?