Mathematics, 03.04.2021 03:30, maudiejane
Sound travels 750 miles per hour. If you stand in a canyon and sound a horn, you will hear an echo. How far is the canyon wall from you in feet?
Answers: 3
Mathematics, 21.06.2019 23:40, breannaasmith1122
Me d is also an option but i couldn't get it in the picture
Answers: 2
Sound travels 750 miles per hour. If you stand in a canyon and sound a horn, you will hear an echo....
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