Use the confidence interval (29, 41) to find the margin of error and the sample mean.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours