What is the missing length? 16mm and y. Area of shaded region = 80 mm ^2. Y = _ millimeters

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)