Factor the trinomial, or state that the trinomial is prime.x2 + 3xy - 18y2
A. (x - 6y)(x + y)
B. (x + 6y)(x - 3y)
C. (x - 6y)(x + 3y)
D. (x - y)(x + 3y)
Answer: B
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Find the slope of the line passing through the pair of points or state that the slope is undefined.(-2, 6) and (-2, -4)
A. 0
B. - 
C. undefined
D. - 
Answer the question.The table shows the number of pupils per teacher in selected states.
For which states are the values not less than 12.5?
A. Wyoming, Maine B. Alaska, Texas, California, Idaho, Missouri C. Alaska, Texas, California, Wyoming, Idaho, Missouri D. Maine
Use the order of operations agreement to simplify the given expression.
2 + 
A. 
B. 
C. 
D. 
Solve the problem.To find the distance AB across a river, a distance BC of 824 m is laid off on one side of the river. It is found that B = 106.2° and 
Find AB. Round to the nearest meter.
A. 253 m B. 313 m C. 310 m D. 256 m