Acheckerboard has 8 rows of 8 squares. half of the squares are black. how many squares on the checkerboard are black? explain.

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

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

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3