△QRS maps to △XYZ with the transformation (x, y) → (6x, 6y). If QS = 7, what is the length
of XZ?

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

How many solutions does the nonlinear system of equations graphed below have?