Anyone good at math? c:

solve by using the square root method 4x^2-8=136

{-2, 2}

{-6, 6}

{-12, 12}

{-144,144}

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 is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent