1  2  3  4  5  6  7  8  9  10  time remaining01: 47: 17two lines intersecting at a right angleform a line. are parallel. are perpendicular. form a ray.

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil