Simplify.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Determine whether the line integral 
is positive, negative or zero.
A. positive B. negative C. zero
Mathematics
Use the earthquake magnitude scale to answer the question.How much energy, in joules, is released by an earthquake of magnitude 4.6?
A. 7.9 × 1012 joules B. 1.9 × 1011 joules C. 1.0 × 109 joules D. 2.0 × 1011 joules
Mathematics
Solve the problem. Round to the nearest cent.The list price of a keyboard is $670. If the series discount offered is 10/15/5, what is the net cost after trade discounts?
A. $183.08 B. $469.00 C. $201.00 D. $486.92
Mathematics
Graph the system of inequalities. Shade the region that represents the solution set.y? x2x + y> 6
A. 
B. 
C. 
D. 
Mathematics