Factor the four-term polynomial by grouping.10x2 + 12xy - 15xy - 18y2
A. (10x - 3y)(x + 6y)
B. (2x - 3y)(5x + 6y)
C. (2x - 3)(5x + 6)
D. (2x + 3y)(5x + 6y)
Answer: B
Mathematics
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Solve the problem.A plane is heading due south with an airspeed of 181 mph. A wind from a direction of 
is blowing at 
Find the bearing of the plane. (Note that bearings are measured from north, clockwise.) Round results to an appropriate number of significant digits.
A. 184° B. 179° C. 91° D. 86°
Mathematics
Determine convergence or divergence of the alternating series.
A. Converges B. Diverges
Mathematics
Solve the initial value problem.
= cot x, y(-3) = 5
A. y = 
+ -3
B. y = 
+ 5
C. y = 
+ 5
D. y = -
+ 5
Mathematics
Solve the problem.Joe bought 8 bolts on one day and 4 more the next. How many bolts did he buy?
A. 22 bolts B. 4 bolts C. 13 bolts D. 12 bolts
Mathematics