How many times greater is an earthquake with a 7.5 reading on the richter scale compared to one with a reading of 4.5?

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?