Find the length of the third side to the nearest tenth.
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Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?