S(n) = -2n +1
f(10) =

Given the following similar triangles what is the area of triangle b ? a) 1 b)1.8 c)3.2 d)5

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 of - 4x + 2? a. 3 b. 4 c. 6 d. 5