The measurement from the base of a tree to the up of its shadow is 100 ft. The angle of Glven: sin 60º = 0.866 cos 600.5 tan 60° 1.732 600 not drawn to scale 100 ft How tall is the tree? OD. 173.2 ft O A 50 ft E. 200 ft OB. 86.6 ft O c. 115.5 h​

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