The hundreds digit of my number is greater than the tens digit. the ones digit is less than the tens digit. what could my number be? write it in two ways.

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.