Use an integer to express the number.Sales at Andrea's Formal Wear Shop were $3,178 less this week than the sales last week.
A. -3,178
B. 3,178
Answer: A
Mathematics
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Perform the indicated operations.(3x - 11y)(-4x + 3y + 1)
A. -12x2 + 9xy + 3x - 33y2 B. -12x2 + 53xy + 3x - 33y2 - 11y C. -12x2 + 44xy + 3x - 33y2 - 11y D. -12x2 + 53xy + 53y2
Mathematics
Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by x = y2 and the line x = 16, with density ?(x) = y2
A. 
= 
, 
= 0
B. 
= 
, 
= 0
C. 
= 
, 
= 0
D. 
= 0, 
= 
Mathematics
Provide an appropriate response.The equation x2 + 4 = 0 has no real solutions, so the graph of y = x2 + 4 has no 
.
A. axis B. y-intercept C. x-intercepts D. vertex
Mathematics
Complete.20 gal = qt
A. 320 B. 10 C. 160 D. 80
Mathematics