The human ear can distinguish sounds between 20 Hz and 20,000 Hz, inclusive. Write a compound inequality.

Someone please help me!!Whoever answers and is correct will be marked as brainliest! :)

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.