Given quadrilateral rstu, tell which sides (if any) are parallel and which are perpendicular for the coordinates of the
vertices
r-1, 1), s(1-2), t(4.0), (3, 3)

Afootball is throw by a quarterback to a receiver

Find the domain and range of the following function f(x) = 51x - 21+ 4

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.