How many 3-digit numbers are there, for witch all digits have the same parity?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?