Aconveyor belt carries supplies from the first floor to the second floor , which is 15ft higher. the belt makes a 60degree angle with the ground. how far do the supplies travel from one end of the conveyor belt to the other? round to the nearest foot.
if the belt moves at 75ft\min, how long, to the nearest tenth of a minute does it take the supplies to move to the second floor? a: 17ft, 0.2min b: 21 ft; 12.8min c: 26ft; 24min or d: 9ft; 0.9min

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap