Evaluate the expression for the given value of x.
?
-2x3, x = 3
?
A. 18
B. -54
C. -6
D. 54
E. -18
Answer: B
Mathematics
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Write the Egyptian numeral as a Hindu-Arabic numeral.
A. 200 B. 2000 C. 20 D. 20,000
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Convert the base 10 numeral to a numeral in the base indicated.2874 to base 8
A. 54728 B. 45278 C. 45728 D. 54278
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Multiply.
A. 204,994 B. 204,974 C. 204,984 D. 205,084
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Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse with the major axis vertical. The top of the arch is 35 feet above ground. The height of the arch 28 feet from the center is to be 12 feet above ground. Write an equation for the ellipse in which the x-axis coincides with the ground and the y-axis passes through the center of the arch.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
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