The difference of 21 and d

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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%

Factor the expression using the gcf. the expression 21m−49n factored using the gcf