Find the root. Assume that all variables represent non-negative real numbers. If the root is not a real number, so state.
A. 5x2
B. not a real number
C. 9x2
D. 3x2
Answer: D
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Solve.It is recommended that there be at least 7 square feet of work space for every person in a conference room. A certain conference room is 11 feet by 16 feet. Find the maximum number of people the room can accommodate.
A. 25 people B. 35 people C. 45 people D. 26 people
Find the sum or difference. Write the answer in lowest terms.
- 
A. - 
B. - 
C. - 
D. 6
Find the focus and directrix of the parabola with the given equation.y2 = -28x
A. focus: (7, 0) directrix: x = -7 B. focus: (0, -7) directrix: y = 7 C. focus: (-7, 0) directrix: x = 7 D. focus: (-7, 0) directrix: y = 7
Determine independence. Answer Yes or No.The table shows the political affiliation of voters in one city and their positions on stronger gun control laws. ?Stronger Gun Control 
Are party affiliation and position on gun control laws independent?
A. Yes B. No