Under Black Codes in the South, if an employer thought a black person was disrespectful, what could the employer do?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm

Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?