8+8n=2(4+4n) how do you solve this? ? what's the answer?

Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.