The number of vibrations n per second of an organ pipe is given by the formula n = 512 l where l is the length of the pipe in feet. how many times per second will a 6-foot pipe vibrate?

What is the area of the triangle on the flag of the philippines in inches

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 .

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?