1.△RST lies in the XY-plane and points R and T have (x, y) coordinates (0,0) and (6,0), respectively. The area of △RST is 12.
The x-coordinate of R
The y-coordinate of S
2. If the areas of three of the faces of a rectangular solid are 6,10 and 15, what is the volume of the solid?
3.What is the maximum number of nonover-lapping regions into which 3 lines can divide the interior of a circle?
4.In the rectangular coordinate system, line k passes through the point (0,0) and (4,8); line m passes through the points (0,1) and (4,9).
The slope of line k
The slope of line m
5.What is the ratio of the perimeter of a pentagon with each side of length 6 to the perimeter of an octagon with each side of length 6?
6.In the stop sign shown in the figure above, all sides have equal length and all angles have equal measure. If the figure could be rotated 225 degrees in a clockwise direction, point G would be in the position of point.