The refinish department must change its respirators' pre-filters every 6 weeks. There are 13 employees using respirators. How many respirator pre-filters are needed per year?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

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%