The three lines represent the price, in dollars, of three different brands of chocolate bars.
Which brand of chocolate bar is the most expensive?

What is the least common factor of 6 and 8

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

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.