NEED HELP ASAP Which expression can be used to change 75 kilometers per hour to meters per minute?
(1 km = 1000 m, 1 hr = 60 min)

1. 75 km/1 hr * 1km/1,000 m * 1 hr/60 min
2. 75 km/1 hr * 1km/1,000 m * 60 min/1hr
3. 75 km/1 hr * 1,000 m/1 km * 1 hr/60 min
4. 75 km/1 hr * 1,000 m/1 km * 60 min/1hr

Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°