The difference of thirteen times a number and four.
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The nth term is: 4n
The sum of fifteen times a number and eight.
Maya wrote the expression 3+5+4.5 to represent the total distance that she traveled. Which statement best describes Maya's expression? Maya's expression will generate the correct sum because of the associative property.
Which of the following best describes the solution to the system of equations below?3x + 6y = 10 9x + 18y = 30
(a + b)/(xy)