Quadrilateral ABCD with vertices A(-4,1), B(-2,2), C(0,-2), and D(-5,-2): k=3

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

Which system of linear inequalities is represented by the graph? !

How can you construct perpendicular lines and prove theorems about perpendicular lines