Two observers are 300 ft apart on opposite sides of a flagpole. The angles of elevation from the observers to the top of the pole are 20°
and 15°. Find the
height of the flagpole.

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Answer this question only if you know the 30 points and

What is the area of the triangle 10 13 12