How many twenty-fives in 250?

Is the diagonals of a rhombus always congruent? How many formula units are in 4.8 104 grams of Al ( CrO4 ) 3? Which pair of numbers has only 1 as a common factor? What is the elevation above sea level at 4179 Krolop Road Castro Valley CA 94546? 216 hours equal how many days? What times by itself to make 147? What does x equal in -3x equals 12? How many cuts in half is possible to make in a sphere? How long is 6.9m? How much is 8 kilowatts? What is the double of 96? How can you use statistical measures to compare populations? Do polygon have the same number of angles and vertices? What is the measure of a line to the nearest one eighth of an inch in a ruler? Does 15 plus 15 equal 30? What is the formula for change in temperature? How do you make 2.42 decmal in a fraction? Which two men worked independently of each other and created the mathematical branch called calculus? What percent is equal to a 1 whole? How do you round 11.619 to one decimal place?