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Question 14: Which expression is equivalent to (2x^2 − 4) − (−3x^2 + 2x − 7) ?
3x -3
8
8
21
6x + 5
5x^2 -2x + 3
0
one
Question 9: At a restaurant, n cups of tea are made by adding t tea bags to hot water. If t = n + 2, how many additional tea bags are needed to make each additional cup of tea?
3x -3
8
8
21
6x + 5
5x^2 -2x + 3
0
one
Question 7: The density of an object is equal to the mass of the object divided by the volume of the object. What is the volume of an object with a mass of 24 grams and a density of 3 grams per milliliter?
3x -3
8
8
21
6x + 5
5x^2 -2x + 3
0
one
Question 4: If f(x) = -2x + 5, what is f(-3x) equal to?
3x -3
8
8
21
6x + 5
5x^2 -2x + 3
0
one
Question 16: Which of the following is equivalent to 3(x + 5) − 6 ?
3x -3
8
8
21
6x + 5
5x^2 -2x + 3
0
one
Question 12: If x = 2/3y and y = 18, what is the value of 2x − 3 ?
3x -3
8
8
21
6x + 5
5x^2 -2x + 3
0
one
Question 6: If (x,y) is the solution to the system of equations on the answer sheet, what is the value of x?
3x -3
8
8
21
6x + 5
5x^2 -2x + 3
0
one
Question 17: If 2x + 8 = 16, what is the value of x + 4 ?
3x -3
8
8
21
6x + 5
5x^2 -2x + 3
0
one
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