one sound is loud and another is quieter. what must be different about these two sound waves?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?