Factor.x2 - 9x + 18
A. (x + 6)(x - 3)
B. (x - 6)(x + 3)
C. (x + 6)(x + 3)
D. (x - 6)(x - 3)
Answer: D
Mathematics
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Find the center and the radius of the circle.x2 + y2 - 4x - 8y + 11 = 0
A. (-2, -4); r = 3 B. (2, -4); r = 3 C. (2, 4); r = 3 D. (-2, 4); r = 3
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Solve the equation.
- 
= 4
A. {-60} B. {120} C. {60} D. {-120}
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Solve the problem.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 10 hr; Ron: 12 hr B. Paul: 9.1 hr; Ron: 11.1 hr C. Paul: 8 hr; Ron: 10 hr D. Paul: 8.3 hr; Ron: 10.3 hr
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Provide an appropriate response.If b < 0, is it true that b2 > b? Explain.
What will be an ideal response?
Mathematics