4x - 9y + 6z = -3
x - 7y + 8z = 4
y - 6z = -1...
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Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?
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Which of the following is not a correct form of the quadratic function?
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Mr. chen is parking in a lot downtown. the graph shows the relationship between the time and the total cost of parking. evaluate the function for input of 10.
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