Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.3x2y - 12xy - 63y
A. 3y(x + 7)(x + 3)
B. 3y(x - 7)(x - 3)
C. 3y(x + 7)(x - 3)
D. 3y(x - 7)(x + 3)
Answer: D
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Solve the problem.Two cars leave an intersection. One car travels north, the other east. When the car traveling north had gone 12 miles, the distance between the cars was 4 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?
A. 12 miles B. 20 miles C. 24 miles D. 16 miles
Use the division or the multiplication property of equality to solve 
. What is the result?
?
__________
Fill in the blank(s) with the appropriate word(s).
The number line in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported.
What is the difference between the net exports from Spain and Denmark ?
A. 50 billion dollars B. -10 billion dollars C. 40 billion dollars D. 60 billion dollars
Use the trigonometric ratios for each of 30°, 45°, and 60° to verify that: (sin ?)2 + (cos ?)2 = 1
What will be an ideal response?