Barry bought a wooden board that measured 8 feet in length. He cut off a piece that measured 65 feet. How much of the board was left?

Can you simplify 4/7? 24 points will be awarded!

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

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer