The coordinates of the vertices of triangle QRS are Q (1,-2), R (1,9), S (6,-4). What is the length, in units, of the line segment that connects
vertex Q to vertex R?

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Proportions in triangles solve for x