What is the common name for the square root of the variance?

What is not true about creating custom colors?

A) You can give your custom color a name. B) The crosshairs allow you to pick shades with a family of colors. C) You can use the spinners to dial in the exact RGB value you desire. D) The Sample box displays the current color and the new color.

The assert function that checks whether a condition is true

1. assertNull() 2. fail() 3. assertFalse() 4. assertTrue()