In this diagram, ABAC – AEDF. If the area of ABAC = 15 in?, what is the
area of AEDF?
D
E
4 in
F
F
B
5 in
С
Area = [?] in2

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 .

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Which expression gives the exact value of x?