Solve the equation by factoring. z^2-6z-27=0

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?