Evaluate the expression.
A. 3
B. ±2
C. 4
D. 2
Answer: D
Mathematics
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Find the vertex of the quadratic equation's graph and determine whether the graph opens up or down.y = x2 + 3x + 6
A. , down
B. , down
C. , up
D. , up
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Find the area.
A. 26.7 yd2 B. 27.3 yd2 C. Not enough data D. 13.7 yd2
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Simplify the expression.
?
?
A.
B.
C. ?
D. ?
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Simplify.4( + 9) - (5 - 5)
A.
B. 15
C. 12
D.
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