Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x2 + 7x ? 0
A. (-?, -7]
B. (-?, -7] ? [0, ?]
C. [0, ?]
D. [-7, 0]
Answer: B
Mathematics
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Solve the equation for the indicated variable.5r + 1 = 9s for r
A. 
s - 1
B. 
s + 1
C. 9s - 
D. 
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Determine whether the graph has a Hamilton circuit.
A. Yes B. No
Mathematics
Decide whether or not the radical expression represents a real number.- 
A. No B. Yes
Mathematics
Divide using synthetic division, and write a summary statement in fraction form.
A. 2x3 - 5x2 + 3 + 
B. 2x3 - 7x2 + 6x -15 + 
C. 2x3 - 7x2 + 6x -15 + 
D. 2x3 + 5x2 + 3 + 
Mathematics