Brainliest for correct answer! what point divides the directed line segment ab¯¯¯¯¯ ⁢ into a 3: 1 ratio? (3, 2) (4, 2) (8, 2) (9, 2) coordinate plane with segment a b with a at (0, 2) and b at (12, 2)

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 .

Solve for x where 0 equation: cot^2x+2cotx+1=0

The graph represents this system of equations: 2x + y = 3 2x - 5y = 15 what is the solution to the system of equations represented by the graph? (0, -3) (1,1) (1.5,0) (2.5, -2)