How many tens in 805?

What is the answer to this question of if the relegation changed from -100 feet to 600 feet what is the total elevation change? How many feet are there in one foot? Two runners finished a race in 80 seconds another runner finished the race in 72 seconds and the final runner finished in 68 seconds The average of these times is? Is 789 divisible by 3? What fraction of one hour is 40minutes? What do you call the terms that have different variables and exponents? Why is a food pyramid a triangle? Dimensions of double box spring? Is sibutramine safe? How much is 43cm in inches? What is the angle of a straight angle? What is 500 int divided by 6? How do you Convert 9.63 kilograms to ounces to the nearest hundredth? What is 9.5 percent percent of 5.99? How many zeros does 24 lacs have? If sin A 513 for angle A in Quadrant I find cos 2A? How do you do a two-step equation with 6 a over 4 plus 2? What equals 337? If the c 2 and a 8 then what is the eccentricity? How many times 30 go into 100?