What is the slope intercept form of 6x - 2y = 14

What aspects of lines have to be diffrent

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race