Lisa bought 15 CDs in December. Of those, 3 were jazz, the rest were world
music. How many world music discs did she buy?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Solve the triangle. a = 21°, c = 105°, c = 5