What does 20 off mean?

What is the ratio of 6 hours 42 minutes and 4 hours 28minutes? What is the square root of 25000000? What is a rectangle magnet known as? What is bigger kg or l? What is the least number of 300000 when rounded off ten thousands? Is the dependent variable the results? What percentage of 126 is 78? What is 652100000000 in scientific notation? What is the decimal answer for two and one fourth? How do you you write 1.03 in expanded form? What are the roman numerals for 20-25? What multiplication equation equal 7? Where did Archimedes travel? Half and Half-who is valerie pettiford? What is the normal line on a angle? What would 10 over 23 be written as a percent? What is the root of Conciliatory? What is the roman numeral for 1114? What divides equally into 2 3 4 and 5? What is opposite of negative 9?