Describe the graph of the polar equation.r cos ? = 12
A. Horizontal line through (0, 12)
B. Line with slope 12 passing through the origin
C. Circle centered at origin with radius 12
D. Vertical line through (12, 0)
Answer: D
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Indicate whether the equation illustrates the multiplication property of 0, the multiplicative identity, the commutative property of multiplication, or the associative property of multiplication.(4.3)(2.5) = (2.5)(4.3)
A. Multiplication property of zero B. Commutative property of multiplication C. Multiplicative identity D. Associative property of multiplication
Shade the region of feasible solutions for the given constraints.2x + 3y ? 6 x - y ? 3x ? 1, y ? 0
A. 
B. 
C. 
D. 
Factor out the variable that is raised to the smaller exponent.x-6 - 7x-9
A. x-9(x3 + 7) B. x-9(x-3 - 7) C. x-9(x3 - 7) D. x-9(7x3)
Add or subtract as indicated. Simplify if necessary.
+ 
A. 
B. 
C. 
D. 