How do you simplify 4 and 8?

828 meters in feet? What is 32 percent in decimal form? What is the difference between the greatest and smallest prime number less than 100? What is the exterior angle of a 32 sided shape? What is 138 divided by 4? How is the angle relationship affected when they are formed by parallel lines? A cube that is 1 centimeters x 1 centimeters x 1 centimeters? When a number is divided by 4 the remainder is 2. When the same number is divided by 5 the remainder is 1. What is that number? What are the assumptions for deriving Manning's equation for open channel flows? What is a mathematical operation? What is 1 percent of 7000 dollars? What is 1 over 5 divided by 2 over 5? How many significant figures in 0.678? Which number does not belong 7 9 13? Is there anything special about 49? How many face does a 3d cone has? Who are the brothers of Joseph? What are Christianity's religious practices? How much is 1 mole of pennies in dollars? What are some real life examples of vertical line slope?