A car traveled a distance of 140 kilometers in the first two hours and 180 kiometers in the next two hours to reach is destination What was the average
speed of the car?

1. 32 km/h
2. 80 km/h
3. 140 km/h

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh