X 3 5 7 9 11
Yl12 15 18 21 24

Someone please help

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

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%

If a=0.333333 and b=0.55555, what is the value of a+b