Please answer asap‼‼ The axis of symmetry for the graph of the function f(x) = 1/2 x2 + bx + bx + 10 is x=6. What is the value of b?
○-12
○-3
○1/2 (1 half)
○3 ​

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 .

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2