Evaluate the expression for x = -2, y = 3, z = -4.-9x - 2y - 6z
A. 1
B. 36
C. 42
D. 8
Answer: B
Mathematics
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A. ? B. 1 C. 0 D. -?
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Find the area of the figure using determinants.
A. 11.5 B. 12.0 C. 12.5 D. 11.0
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Provide an appropriate response.A chemist has two solutions that contain different concentrations of hydrochloric acid. One is a 20% concentration and the other is a 12% concentration. How many cubic centimeters of each should he mix to obtain 100 cc with a concentration of 15.2%?
What will be an ideal response?
Mathematics
Factor.100x - 20
A. 20(5x - 1) B. 20(5x) C. 5(20x - 4) D. 4(25x - 5)
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