Brian, Krutika and Peter share £77 in a ratio 2:2:3. How much money does each person get?

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Name the most appropriate metric unit for each measurement like a length of an carrot

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