Cheryl is thinking of 3 consecutive numbers whose average is less than or equal to half of the smallest number. Write an inequality that she could use to identify the smallest of the three numbers.

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 you could answer these your a life saver

Which graph of a hyperbola represents the equation 16x^2-y^2=16