15x+4+6y+7=9x+9y+8
Find x and y.

Which of the following choices gives you a slope of 3?

An angle bisector ac divides a trapezoid abcd into two similar triangles ? abc and ? acd. find the perimeter of this trapezoid if the leg ab=9 cm and the leg cd=12 cm.

The coordinates of one point of a line segment ate (-2,-7). the line segment is 12 units long. give three possible coordinates of the line segment’s other end point.