Triangle ABC has vertices A(-2,3), B(-5,-4), and C(2,-1). Use coordinate geometry to prove that triangle ABC is isosceles. (include conclusion statement)

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.

Solve the equation x/4 - 5= -8 -27 -12 -7 12

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.