Undefined (not a real number)
The square root of -256 would result in an imaginary number so by terms, it's "not real". The imaginary number would be 16i. 16x 16 =256, but since it's negative, it's √16 √16i.
1 feet equals 12 inches
0.5 feet, therefore, is 6 inches.
but that is per day, so divide that by 24, which results in 1/4 inches per hour.
