This document contains 17 multi-part math problems related to straight lines and graphs. The problems cover topics such as finding the gradient and equation of a line, determining if two lines are parallel or perpendicular, finding the midpoint and equation of a line through two given points, and interpreting the gradient of a graph. Several questions provide diagrams or graphs to accompany the problems. The document also provides attribution information, noting the exam boards and sample assessment materials that the questions were retrieved from.