Factor completely.6x2 - 5xy - 6y2
A. prime
B. (6x + 2y)(x - 3y)
C. (3x + 2y)(2x - 3y)
D. (3x - 2y)(2x + 3y)
Answer: C
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Determine whether the figure is a polygon. If the figure is not a polygon, state what part of the definition fails.
Fill in the blank(s) with the appropriate word(s).
Write the sum or difference as a product containing only sines and/or cosines.cos(6?) + cos(4?)
A. 2 cos(5?) sin ? B. 2 cos(5?) cos ? C. 2 cos(5?) D. 2 sin(5?) sin ?
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. x2 + 7
C. 
D. 7
Solve the problem.Tom Quig traveled 300 miles east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total travel time was 6 hours, for how many miles did he drive at the reduced speed?
A. 30 miles B. 40 miles C. 20 miles D. 15 miles