For what reason did the Radical Republicans in Congress want to grant voting rights to former slaves?

[Multiple Choice]

Ihonestly have no clue if it's each or none.

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal

The slope of the line whose equation is 2x - 1 = 0 is