PLEASE HELP ILL GIVE BRAINLIEST SHOW WORK PLEASE

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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

In the geometric progression –3, 12, −48… what term is 3,072?