Which of the following is not a responsibility of a member of society

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

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