Which quadratic equation is equivalent to (x-4)^2 – (x-4) - 6 = 0? A. (u-4)^2 - (u-4)-6=0 where u=(x-4)

B. u^2 - (u-4) -6=0 where u = (x-4)

C. u^2 -16-u-6=0 where u =(x-4)

D. u^2 -u-6=0 where u = (x-4)

Will give a: 122 b: 90 c: 48 d: 180

How do you write 0.5% as a fraction

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected