What should you do if you are surrounded by 20 lions and 15 tigers and 10 leopards

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

The function models the number of accidents

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