The smith family wanted to to travel to new york city to see the statue of liberty. early one morning, they left (my county name), virginia and traveled 224 miles to new york. if the trip took 4 hours, how fast were they travelling? in other words, what is the unit rate? you must use a proportion.

Divide 224/4 to get the answer

56 miles an hour is ur answer

it is b)

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answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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