The price of a snowsuit is reduced by 28.38. this is a discount of 33%. what is the regular price of the snowsuit

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

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