(08.05) Factor completely x2 - 8x + 16. (2 points) O (X - 4)(x - 4) O (x - 2)(x - 8) O (x + 4)(x - 4) O (x + 4)(x + 4) can someone please help me with this i can't find this question any where ​

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 .

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!