Two towns along a river are 60 miles apart. The boat can travel between the two towns in 4 hours when traveling with the current. When traveling against the current, it takes the boat 6 hours. Find the speed of the boat and the speed of the current..

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 .

Select the quadratic that has root x = 8 and x = -5

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3