Rolf spent 15 hours last week practicing his saxophone if 3/10 of the time was spent practicing warm-up routines how much time did he spend practicing warm-up routines

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

In what organelle does photosynthesis take place?

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .