Graph the equation.x2 + y2 = 9
A. 
B. 
C. 
D. 
Answer: C
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Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the tetrahedron bounded by the coordinate planes and the plane 
A. 
B. 939
C. 
D. 
Solve the problem.The area of a triangle with vertices (x1, y1), (x2, y2), and (x3, y3) is 
,where the symbol ± indicates that the appropriate sign should be chosen to yield a positive area. Use this formula to find the area of a triangle whose vertices are (2, 10), (6, -4), and (-3, -9).
A. 2 B. 73 C. 1 D. 146
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.7x2 - 4
A. Monomial; variable x; coefficient 7; degree 2 B. Monomial; variable x; coefficient 4 ; degree 2 C. Monomial; variable x; coefficient 7; degree 1 D. Not a monomial
?Suppose that the following table shows the annual sales, in millions of dollars, for Advanced Auto Parts and Auto Zone for 2000 through 2007. Find the least squares quadratic model for Advanced Auto Parts. Let t represents the year, with 
corresponding to 2000. Round all coefficients to two decimal places.
Year Advanced Auto Parts 2000 2744 2001 1789 2002 1125 2003 1037 2004 1531 2005 2847 2006 3198 2007 6250?
?
A. ?
B. ?
C. ?
D. ?
E. ?