Divide 5/9 and round to the nearest tenth help pls imma cry

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

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

Gables properties corp. is leasing office building with an area of 49b^2+70b+25. what is the shape of the building? a) rectangle b) square