PLEASE HELP. what’s the bc, height, and area for #1?

what’s the ac, height, and area for #2?

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%.

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

How would you find the height of points on the circle? the topic is trigonometry.