Given a square with vertices (0,1), (1,0), (0, -1), and (-1,0), in units rounded to the nearest whole, what is the perimeter of the square?
A.) 6
B.) 4
C.). 2
D.). 1

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

If i had 1234 apples and 1 banana what is the total amount

State one method by which you can recognize a perfect square trinomial.